Home / 69,931.56-96,512.52-42,706.14

Finding the Fourth Proportional to 69,931.56, 96,512.52 and 42,706.14

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Solution

The fourth proportional to 69,931.56, 96,512.52 and 42,706.14 is: 58,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,931.56 : 96,512.52 = 42,706.14 : x
  2. Step 2: Convert to fraction form
    69,931.56/96,512.52 = 42,706.14/x
  3. Step 3: Cross multiply
    69,931.56x = 96,512.52 × 42,706.14
  4. Step 4: Simplify right side
    69,931.56x = 4,121,677,190.87
  5. Step 5: Solve for x
    x = 4,121,677,190.87/69,931.56
  6. Step 6: Final answer
    x = 58,938.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.