Home / 74,521.19-102,841.04-42,700.07

Finding the Fourth Proportional to 74,521.19, 102,841.04 and 42,700.07

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Solution

The fourth proportional to 74,521.19, 102,841.04 and 42,700.07 is: 58,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,521.19 : 102,841.04 = 42,700.07 : x
  2. Step 2: Convert to fraction form
    74,521.19/102,841.04 = 42,700.07/x
  3. Step 3: Cross multiply
    74,521.19x = 102,841.04 × 42,700.07
  4. Step 4: Simplify right side
    74,521.19x = 4,391,319,606.87
  5. Step 5: Solve for x
    x = 4,391,319,606.87/74,521.19
  6. Step 6: Final answer
    x = 58,927.13

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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.