Home / 85,123.56-127,680.48-32,538.36

Finding the Fourth Proportional to 85,123.56, 127,680.48 and 32,538.36

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Solution

The fourth proportional to 85,123.56, 127,680.48 and 32,538.36 is: 48,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,123.56 : 127,680.48 = 32,538.36 : x
  2. Step 2: Convert to fraction form
    85,123.56/127,680.48 = 32,538.36/x
  3. Step 3: Cross multiply
    85,123.56x = 127,680.48 × 32,538.36
  4. Step 4: Simplify right side
    85,123.56x = 4,154,513,423.21
  5. Step 5: Solve for x
    x = 4,154,513,423.21/85,123.56
  6. Step 6: Final answer
    x = 48,805.68

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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.