Home / 87,001.54-120,070.55-48,767.58

Finding the Fourth Proportional to 87,001.54, 120,070.55 and 48,767.58

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Solution

The fourth proportional to 87,001.54, 120,070.55 and 48,767.58 is: 67,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001.54 : 120,070.55 = 48,767.58 : x
  2. Step 2: Convert to fraction form
    87,001.54/120,070.55 = 48,767.58/x
  3. Step 3: Cross multiply
    87,001.54x = 120,070.55 × 48,767.58
  4. Step 4: Simplify right side
    87,001.54x = 5,855,549,608.75
  5. Step 5: Solve for x
    x = 5,855,549,608.75/87,001.54
  6. Step 6: Final answer
    x = 67,303.98

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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.