Home / 77,988.13-107,636.87-44,006.25

Finding the Fourth Proportional to 77,988.13, 107,636.87 and 44,006.25

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Solution

The fourth proportional to 77,988.13, 107,636.87 and 44,006.25 is: 60,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,988.13 : 107,636.87 = 44,006.25 : x
  2. Step 2: Convert to fraction form
    77,988.13/107,636.87 = 44,006.25/x
  3. Step 3: Cross multiply
    77,988.13x = 107,636.87 × 44,006.25
  4. Step 4: Simplify right side
    77,988.13x = 4,736,694,790.41
  5. Step 5: Solve for x
    x = 4,736,694,790.41/77,988.13
  6. Step 6: Final answer
    x = 60,736.10

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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.