Home / 96,380.18-133,065.02-61,938.88

Finding the Fourth Proportional to 96,380.18, 133,065.02 and 61,938.88

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Solution

The fourth proportional to 96,380.18, 133,065.02 and 61,938.88 is: 85,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,380.18 : 133,065.02 = 61,938.88 : x
  2. Step 2: Convert to fraction form
    96,380.18/133,065.02 = 61,938.88/x
  3. Step 3: Cross multiply
    96,380.18x = 133,065.02 × 61,938.88
  4. Step 4: Simplify right side
    96,380.18x = 8,241,898,305.98
  5. Step 5: Solve for x
    x = 8,241,898,305.98/96,380.18
  6. Step 6: Final answer
    x = 85,514.45

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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.