Home / 77,875.28-107,469.02-46,047.14

Finding the Fourth Proportional to 77,875.28, 107,469.02 and 46,047.14

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Solution

The fourth proportional to 77,875.28, 107,469.02 and 46,047.14 is: 63,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,875.28 : 107,469.02 = 46,047.14 : x
  2. Step 2: Convert to fraction form
    77,875.28/107,469.02 = 46,047.14/x
  3. Step 3: Cross multiply
    77,875.28x = 107,469.02 × 46,047.14
  4. Step 4: Simplify right side
    77,875.28x = 4,948,640,779.37
  5. Step 5: Solve for x
    x = 4,948,640,779.37/77,875.28
  6. Step 6: Final answer
    x = 63,545.72

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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.