Home / 77,547.52-107,010.65-43,555.13

Finding the Fourth Proportional to 77,547.52, 107,010.65 and 43,555.13

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Solution

The fourth proportional to 77,547.52, 107,010.65 and 43,555.13 is: 60,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,547.52 : 107,010.65 = 43,555.13 : x
  2. Step 2: Convert to fraction form
    77,547.52/107,010.65 = 43,555.13/x
  3. Step 3: Cross multiply
    77,547.52x = 107,010.65 × 43,555.13
  4. Step 4: Simplify right side
    77,547.52x = 4,660,862,772.13
  5. Step 5: Solve for x
    x = 4,660,862,772.13/77,547.52
  6. Step 6: Final answer
    x = 60,103.31

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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.