Home / 102,058.14-153,053.13-42,882.78

Finding the Fourth Proportional to 102,058.14, 153,053.13 and 42,882.78

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Solution

The fourth proportional to 102,058.14, 153,053.13 and 42,882.78 is: 64,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,058.14 : 153,053.13 = 42,882.78 : x
  2. Step 2: Convert to fraction form
    102,058.14/153,053.13 = 42,882.78/x
  3. Step 3: Cross multiply
    102,058.14x = 153,053.13 × 42,882.78
  4. Step 4: Simplify right side
    102,058.14x = 6,563,343,702.10
  5. Step 5: Solve for x
    x = 6,563,343,702.10/102,058.14
  6. Step 6: Final answer
    x = 64,309.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.