Home / 102,490.83-141,440.85-59,467.07

Finding the Fourth Proportional to 102,490.83, 141,440.85 and 59,467.07

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Solution

The fourth proportional to 102,490.83, 141,440.85 and 59,467.07 is: 82,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,490.83 : 141,440.85 = 59,467.07 : x
  2. Step 2: Convert to fraction form
    102,490.83/141,440.85 = 59,467.07/x
  3. Step 3: Cross multiply
    102,490.83x = 141,440.85 × 59,467.07
  4. Step 4: Simplify right side
    102,490.83x = 8,411,073,281.41
  5. Step 5: Solve for x
    x = 8,411,073,281.41/102,490.83
  6. Step 6: Final answer
    x = 82,066.59

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1.5x scale

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.