Home / 93,631.26-129,211.62-51,189.72

Finding the Fourth Proportional to 93,631.26, 129,211.62 and 51,189.72

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Solution

The fourth proportional to 93,631.26, 129,211.62 and 51,189.72 is: 70,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,631.26 : 129,211.62 = 51,189.72 : x
  2. Step 2: Convert to fraction form
    93,631.26/129,211.62 = 51,189.72/x
  3. Step 3: Cross multiply
    93,631.26x = 129,211.62 × 51,189.72
  4. Step 4: Simplify right side
    93,631.26x = 6,614,306,648.55
  5. Step 5: Solve for x
    x = 6,614,306,648.55/93,631.26
  6. Step 6: Final answer
    x = 70,642.08

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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.