Home / 96,769.36-145,117.20-57,337.60

Finding the Fourth Proportional to 96,769.36, 145,117.20 and 57,337.60

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Solution

The fourth proportional to 96,769.36, 145,117.20 and 57,337.60 is: 85,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,769.36 : 145,117.20 = 57,337.60 : x
  2. Step 2: Convert to fraction form
    96,769.36/145,117.20 = 57,337.60/x
  3. Step 3: Cross multiply
    96,769.36x = 145,117.20 × 57,337.60
  4. Step 4: Simplify right side
    96,769.36x = 8,320,671,966.72
  5. Step 5: Solve for x
    x = 8,320,671,966.72/96,769.36
  6. Step 6: Final answer
    x = 85,984.57

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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.