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Finding the Fourth Proportional to 84,681.63, 116,860.80 and 46,441.44

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Solution

The fourth proportional to 84,681.63, 116,860.80 and 46,441.44 is: 64,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,681.63 : 116,860.80 = 46,441.44 : x
  2. Step 2: Convert to fraction form
    84,681.63/116,860.80 = 46,441.44/x
  3. Step 3: Cross multiply
    84,681.63x = 116,860.80 × 46,441.44
  4. Step 4: Simplify right side
    84,681.63x = 5,427,183,831.55
  5. Step 5: Solve for x
    x = 5,427,183,831.55/84,681.63
  6. Step 6: Final answer
    x = 64,089.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.