Home / 77,280.26-106,646.74-47,065.58

Finding the Fourth Proportional to 77,280.26, 106,646.74 and 47,065.58

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Solution

The fourth proportional to 77,280.26, 106,646.74 and 47,065.58 is: 64,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,280.26 : 106,646.74 = 47,065.58 : x
  2. Step 2: Convert to fraction form
    77,280.26/106,646.74 = 47,065.58/x
  3. Step 3: Cross multiply
    77,280.26x = 106,646.74 × 47,065.58
  4. Step 4: Simplify right side
    77,280.26x = 5,019,390,673.21
  5. Step 5: Solve for x
    x = 5,019,390,673.21/77,280.26
  6. Step 6: Final answer
    x = 64,950.49

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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.