Home / 92,129.68-137,973.06-52,566.85

Finding the Fourth Proportional to 92,129.68, 137,973.06 and 52,566.85

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Solution

The fourth proportional to 92,129.68, 137,973.06 and 52,566.85 is: 78,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,129.68 : 137,973.06 = 52,566.85 : x
  2. Step 2: Convert to fraction form
    92,129.68/137,973.06 = 52,566.85/x
  3. Step 3: Cross multiply
    92,129.68x = 137,973.06 × 52,566.85
  4. Step 4: Simplify right side
    92,129.68x = 7,252,808,804.13
  5. Step 5: Solve for x
    x = 7,252,808,804.13/92,129.68
  6. Step 6: Final answer
    x = 78,723.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.