Home / 87,514.02-120,787.40-56,925.33

Finding the Fourth Proportional to 87,514.02, 120,787.40 and 56,925.33

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Solution

The fourth proportional to 87,514.02, 120,787.40 and 56,925.33 is: 78,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,514.02 : 120,787.40 = 56,925.33 : x
  2. Step 2: Convert to fraction form
    87,514.02/120,787.40 = 56,925.33/x
  3. Step 3: Cross multiply
    87,514.02x = 120,787.40 × 56,925.33
  4. Step 4: Simplify right side
    87,514.02x = 6,875,862,973.63
  5. Step 5: Solve for x
    x = 6,875,862,973.63/87,514.02
  6. Step 6: Final answer
    x = 78,568.70

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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.