Home / 71,011.59-97,999.13-40,806.39

Finding the Fourth Proportional to 71,011.59, 97,999.13 and 40,806.39

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Solution

The fourth proportional to 71,011.59, 97,999.13 and 40,806.39 is: 56,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,011.59 : 97,999.13 = 40,806.39 : x
  2. Step 2: Convert to fraction form
    71,011.59/97,999.13 = 40,806.39/x
  3. Step 3: Cross multiply
    71,011.59x = 97,999.13 × 40,806.39
  4. Step 4: Simplify right side
    71,011.59x = 3,998,990,590.92
  5. Step 5: Solve for x
    x = 3,998,990,590.92/71,011.59
  6. Step 6: Final answer
    x = 56,314.62

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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.