Home / 106,931.46-147,572.27-61,608.63

Finding the Fourth Proportional to 106,931.46, 147,572.27 and 61,608.63

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Solution

The fourth proportional to 106,931.46, 147,572.27 and 61,608.63 is: 85,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,931.46 : 147,572.27 = 61,608.63 : x
  2. Step 2: Convert to fraction form
    106,931.46/147,572.27 = 61,608.63/x
  3. Step 3: Cross multiply
    106,931.46x = 147,572.27 × 61,608.63
  4. Step 4: Simplify right side
    106,931.46x = 9,091,725,380.69
  5. Step 5: Solve for x
    x = 9,091,725,380.69/106,931.46
  6. Step 6: Final answer
    x = 85,023.86

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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.