Home / 96,319.91-132,931.47-55,485.45

Finding the Fourth Proportional to 96,319.91, 132,931.47 and 55,485.45

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Solution

The fourth proportional to 96,319.91, 132,931.47 and 55,485.45 is: 76,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,319.91 : 132,931.47 = 55,485.45 : x
  2. Step 2: Convert to fraction form
    96,319.91/132,931.47 = 55,485.45/x
  3. Step 3: Cross multiply
    96,319.91x = 132,931.47 × 55,485.45
  4. Step 4: Simplify right side
    96,319.91x = 7,375,762,432.11
  5. Step 5: Solve for x
    x = 7,375,762,432.11/96,319.91
  6. Step 6: Final answer
    x = 76,575.68

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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.