Home / 84,987.30-127,529.55-58,710.90

Finding the Fourth Proportional to 84,987.30, 127,529.55 and 58,710.90

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Solution

The fourth proportional to 84,987.30, 127,529.55 and 58,710.90 is: 88,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,987.30 : 127,529.55 = 58,710.90 : x
  2. Step 2: Convert to fraction form
    84,987.30/127,529.55 = 58,710.90/x
  3. Step 3: Cross multiply
    84,987.30x = 127,529.55 × 58,710.90
  4. Step 4: Simplify right side
    84,987.30x = 7,487,374,657.10
  5. Step 5: Solve for x
    x = 7,487,374,657.10/84,987.30
  6. Step 6: Final answer
    x = 88,099.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.