Home / 84,704.08-127,061.40-28,539.52

Finding the Fourth Proportional to 84,704.08, 127,061.40 and 28,539.52

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Solution

The fourth proportional to 84,704.08, 127,061.40 and 28,539.52 is: 42,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,704.08 : 127,061.40 = 28,539.52 : x
  2. Step 2: Convert to fraction form
    84,704.08/127,061.40 = 28,539.52/x
  3. Step 3: Cross multiply
    84,704.08x = 127,061.40 × 28,539.52
  4. Step 4: Simplify right side
    84,704.08x = 3,626,271,366.53
  5. Step 5: Solve for x
    x = 3,626,271,366.53/84,704.08
  6. Step 6: Final answer
    x = 42,811.06

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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.