Home / 74,332.12-102,574.74-42,504.52

Finding the Fourth Proportional to 74,332.12, 102,574.74 and 42,504.52

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Solution

The fourth proportional to 74,332.12, 102,574.74 and 42,504.52 is: 58,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,332.12 : 102,574.74 = 42,504.52 : x
  2. Step 2: Convert to fraction form
    74,332.12/102,574.74 = 42,504.52/x
  3. Step 3: Cross multiply
    74,332.12x = 102,574.74 × 42,504.52
  4. Step 4: Simplify right side
    74,332.12x = 4,359,890,087.82
  5. Step 5: Solve for x
    x = 4,359,890,087.82/74,332.12
  6. Step 6: Final answer
    x = 58,654.19

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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.