Home / 92,925.72-128,227.20-51,531.68

Finding the Fourth Proportional to 92,925.72, 128,227.20 and 51,531.68

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Solution

The fourth proportional to 92,925.72, 128,227.20 and 51,531.68 is: 71,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,925.72 : 128,227.20 = 51,531.68 : x
  2. Step 2: Convert to fraction form
    92,925.72/128,227.20 = 51,531.68/x
  3. Step 3: Cross multiply
    92,925.72x = 128,227.20 × 51,531.68
  4. Step 4: Simplify right side
    92,925.72x = 6,607,763,037.70
  5. Step 5: Solve for x
    x = 6,607,763,037.70/92,925.72
  6. Step 6: Final answer
    x = 71,108.01

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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.