Home / 73,935.04-102,031.68-40,400.32

Finding the Fourth Proportional to 73,935.04, 102,031.68 and 40,400.32

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Solution

The fourth proportional to 73,935.04, 102,031.68 and 40,400.32 is: 55,753.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,935.04 : 102,031.68 = 40,400.32 : x
  2. Step 2: Convert to fraction form
    73,935.04/102,031.68 = 40,400.32/x
  3. Step 3: Cross multiply
    73,935.04x = 102,031.68 × 40,400.32
  4. Step 4: Simplify right side
    73,935.04x = 4,122,112,522.14
  5. Step 5: Solve for x
    x = 4,122,112,522.14/73,935.04
  6. Step 6: Final answer
    x = 55,753.17

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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.