Home / 92,552.12-127,724.52-52,271.90

Finding the Fourth Proportional to 92,552.12, 127,724.52 and 52,271.90

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Solution

The fourth proportional to 92,552.12, 127,724.52 and 52,271.90 is: 72,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,552.12 : 127,724.52 = 52,271.90 : x
  2. Step 2: Convert to fraction form
    92,552.12/127,724.52 = 52,271.90/x
  3. Step 3: Cross multiply
    92,552.12x = 127,724.52 × 52,271.90
  4. Step 4: Simplify right side
    92,552.12x = 6,676,403,336.99
  5. Step 5: Solve for x
    x = 6,676,403,336.99/92,552.12
  6. Step 6: Final answer
    x = 72,136.69

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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.