Home / 85,052.46-127,432.88-60,047.76

Finding the Fourth Proportional to 85,052.46, 127,432.88 and 60,047.76

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Solution

The fourth proportional to 85,052.46, 127,432.88 and 60,047.76 is: 89,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,052.46 : 127,432.88 = 60,047.76 : x
  2. Step 2: Convert to fraction form
    85,052.46/127,432.88 = 60,047.76/x
  3. Step 3: Cross multiply
    85,052.46x = 127,432.88 × 60,047.76
  4. Step 4: Simplify right side
    85,052.46x = 7,652,058,994.35
  5. Step 5: Solve for x
    x = 7,652,058,994.35/85,052.46
  6. Step 6: Final answer
    x = 89,968.70

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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.