Home / 71,292.07-98,379.25-42,612.40

Finding the Fourth Proportional to 71,292.07, 98,379.25 and 42,612.40

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Solution

The fourth proportional to 71,292.07, 98,379.25 and 42,612.40 is: 58,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,292.07 : 98,379.25 = 42,612.40 : x
  2. Step 2: Convert to fraction form
    71,292.07/98,379.25 = 42,612.40/x
  3. Step 3: Cross multiply
    71,292.07x = 98,379.25 × 42,612.40
  4. Step 4: Simplify right side
    71,292.07x = 4,192,175,952.70
  5. Step 5: Solve for x
    x = 4,192,175,952.70/71,292.07
  6. Step 6: Final answer
    x = 58,802.84

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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.