Home / 77,591.37-107,088.57-72,526.14

Finding the Fourth Proportional to 77,591.37, 107,088.57 and 72,526.14

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Solution

The fourth proportional to 77,591.37, 107,088.57 and 72,526.14 is: 100,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,591.37 : 107,088.57 = 72,526.14 : x
  2. Step 2: Convert to fraction form
    77,591.37/107,088.57 = 72,526.14/x
  3. Step 3: Cross multiply
    77,591.37x = 107,088.57 × 72,526.14
  4. Step 4: Simplify right side
    77,591.37x = 7,766,720,620.22
  5. Step 5: Solve for x
    x = 7,766,720,620.22/77,591.37
  6. Step 6: Final answer
    x = 100,097.74

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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.