Home / 89,510.34-134,250.93-30,344.70

Finding the Fourth Proportional to 89,510.34, 134,250.93 and 30,344.70

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Solution

The fourth proportional to 89,510.34, 134,250.93 and 30,344.70 is: 45,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,510.34 : 134,250.93 = 30,344.70 : x
  2. Step 2: Convert to fraction form
    89,510.34/134,250.93 = 30,344.70/x
  3. Step 3: Cross multiply
    89,510.34x = 134,250.93 × 30,344.70
  4. Step 4: Simplify right side
    89,510.34x = 4,073,804,195.57
  5. Step 5: Solve for x
    x = 4,073,804,195.57/89,510.34
  6. Step 6: Final answer
    x = 45,512.11

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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.