Home / 81,964.63-113,110.05-46,158.13

Finding the Fourth Proportional to 81,964.63, 113,110.05 and 46,158.13

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Solution

The fourth proportional to 81,964.63, 113,110.05 and 46,158.13 is: 63,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,964.63 : 113,110.05 = 46,158.13 : x
  2. Step 2: Convert to fraction form
    81,964.63/113,110.05 = 46,158.13/x
  3. Step 3: Cross multiply
    81,964.63x = 113,110.05 × 46,158.13
  4. Step 4: Simplify right side
    81,964.63x = 5,220,948,392.21
  5. Step 5: Solve for x
    x = 5,220,948,392.21/81,964.63
  6. Step 6: Final answer
    x = 63,697.58

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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.