Home / 83,397.04-115,089.89-47,590.39

Finding the Fourth Proportional to 83,397.04, 115,089.89 and 47,590.39

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Solution

The fourth proportional to 83,397.04, 115,089.89 and 47,590.39 is: 65,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,397.04 : 115,089.89 = 47,590.39 : x
  2. Step 2: Convert to fraction form
    83,397.04/115,089.89 = 47,590.39/x
  3. Step 3: Cross multiply
    83,397.04x = 115,089.89 × 47,590.39
  4. Step 4: Simplify right side
    83,397.04x = 5,477,172,142.53
  5. Step 5: Solve for x
    x = 5,477,172,142.53/83,397.04
  6. Step 6: Final answer
    x = 65,675.86

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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.