Home / 85,087.26-127,630.92-38,285.46

Finding the Fourth Proportional to 85,087.26, 127,630.92 and 38,285.46

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Solution

The fourth proportional to 85,087.26, 127,630.92 and 38,285.46 is: 57,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,087.26 : 127,630.92 = 38,285.46 : x
  2. Step 2: Convert to fraction form
    85,087.26/127,630.92 = 38,285.46/x
  3. Step 3: Cross multiply
    85,087.26x = 127,630.92 × 38,285.46
  4. Step 4: Simplify right side
    85,087.26x = 4,886,408,482.42
  5. Step 5: Solve for x
    x = 4,886,408,482.42/85,087.26
  6. Step 6: Final answer
    x = 57,428.20

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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.