Home / 87,623.71-120,927.09-48,864.16

Finding the Fourth Proportional to 87,623.71, 120,927.09 and 48,864.16

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Solution

The fourth proportional to 87,623.71, 120,927.09 and 48,864.16 is: 67,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,623.71 : 120,927.09 = 48,864.16 : x
  2. Step 2: Convert to fraction form
    87,623.71/120,927.09 = 48,864.16/x
  3. Step 3: Cross multiply
    87,623.71x = 120,927.09 × 48,864.16
  4. Step 4: Simplify right side
    87,623.71x = 5,909,001,008.49
  5. Step 5: Solve for x
    x = 5,909,001,008.49/87,623.71
  6. Step 6: Final answer
    x = 67,436.10

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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.