Home / 102,672.48-141,681.32-59,648.16

Finding the Fourth Proportional to 102,672.48, 141,681.32 and 59,648.16

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Solution

The fourth proportional to 102,672.48, 141,681.32 and 59,648.16 is: 82,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,672.48 : 141,681.32 = 59,648.16 : x
  2. Step 2: Convert to fraction form
    102,672.48/141,681.32 = 59,648.16/x
  3. Step 3: Cross multiply
    102,672.48x = 141,681.32 × 59,648.16
  4. Step 4: Simplify right side
    102,672.48x = 8,451,030,044.37
  5. Step 5: Solve for x
    x = 8,451,030,044.37/102,672.48
  6. Step 6: Final answer
    x = 82,310.57

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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.