Home / 93,508.12-129,182.34-61,319.56

Finding the Fourth Proportional to 93,508.12, 129,182.34 and 61,319.56

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Solution

The fourth proportional to 93,508.12, 129,182.34 and 61,319.56 is: 84,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,508.12 : 129,182.34 = 61,319.56 : x
  2. Step 2: Convert to fraction form
    93,508.12/129,182.34 = 61,319.56/x
  3. Step 3: Cross multiply
    93,508.12x = 129,182.34 × 61,319.56
  4. Step 4: Simplify right side
    93,508.12x = 7,921,404,248.57
  5. Step 5: Solve for x
    x = 7,921,404,248.57/93,508.12
  6. Step 6: Final answer
    x = 84,713.54

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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.