Home / 74,158.84-102,346.53-42,332.52

Finding the Fourth Proportional to 74,158.84, 102,346.53 and 42,332.52

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Solution

The fourth proportional to 74,158.84, 102,346.53 and 42,332.52 is: 58,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,158.84 : 102,346.53 = 42,332.52 : x
  2. Step 2: Convert to fraction form
    74,158.84/102,346.53 = 42,332.52/x
  3. Step 3: Cross multiply
    74,158.84x = 102,346.53 × 42,332.52
  4. Step 4: Simplify right side
    74,158.84x = 4,332,586,528.16
  5. Step 5: Solve for x
    x = 4,332,586,528.16/74,158.84
  6. Step 6: Final answer
    x = 58,423.06

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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.