Home / 83,973.34-115,748.15-56,740.92

Finding the Fourth Proportional to 83,973.34, 115,748.15 and 56,740.92

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Solution

The fourth proportional to 83,973.34, 115,748.15 and 56,740.92 is: 78,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,973.34 : 115,748.15 = 56,740.92 : x
  2. Step 2: Convert to fraction form
    83,973.34/115,748.15 = 56,740.92/x
  3. Step 3: Cross multiply
    83,973.34x = 115,748.15 × 56,740.92
  4. Step 4: Simplify right side
    83,973.34x = 6,567,656,235.59
  5. Step 5: Solve for x
    x = 6,567,656,235.59/83,973.34
  6. Step 6: Final answer
    x = 78,211.21

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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.