Home / 84,748.16-127,123.12-25,584.32

Finding the Fourth Proportional to 84,748.16, 127,123.12 and 25,584.32

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Solution

The fourth proportional to 84,748.16, 127,123.12 and 25,584.32 is: 38,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,748.16 : 127,123.12 = 25,584.32 : x
  2. Step 2: Convert to fraction form
    84,748.16/127,123.12 = 25,584.32/x
  3. Step 3: Cross multiply
    84,748.16x = 127,123.12 × 25,584.32
  4. Step 4: Simplify right side
    84,748.16x = 3,252,358,581.48
  5. Step 5: Solve for x
    x = 3,252,358,581.48/84,748.16
  6. Step 6: Final answer
    x = 38,376.75

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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.