Home / 77,897.04-107,497.96-42,087.04

Finding the Fourth Proportional to 77,897.04, 107,497.96 and 42,087.04

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Solution

The fourth proportional to 77,897.04, 107,497.96 and 42,087.04 is: 58,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,897.04 : 107,497.96 = 42,087.04 : x
  2. Step 2: Convert to fraction form
    77,897.04/107,497.96 = 42,087.04/x
  3. Step 3: Cross multiply
    77,897.04x = 107,497.96 × 42,087.04
  4. Step 4: Simplify right side
    77,897.04x = 4,524,270,942.44
  5. Step 5: Solve for x
    x = 4,524,270,942.44/77,897.04
  6. Step 6: Final answer
    x = 58,080.14

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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.