Home / 102,387.95-141,302.46-62,103.41

Finding the Fourth Proportional to 102,387.95, 141,302.46 and 62,103.41

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Solution

The fourth proportional to 102,387.95, 141,302.46 and 62,103.41 is: 85,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,387.95 : 141,302.46 = 62,103.41 : x
  2. Step 2: Convert to fraction form
    102,387.95/141,302.46 = 62,103.41/x
  3. Step 3: Cross multiply
    102,387.95x = 141,302.46 × 62,103.41
  4. Step 4: Simplify right side
    102,387.95x = 8,775,363,590.36
  5. Step 5: Solve for x
    x = 8,775,363,590.36/102,387.95
  6. Step 6: Final answer
    x = 85,707.00

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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.