Home / 96,888.28-133,699.56-56,613.40

Finding the Fourth Proportional to 96,888.28, 133,699.56 and 56,613.40

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Solution

The fourth proportional to 96,888.28, 133,699.56 and 56,613.40 is: 78,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,888.28 : 133,699.56 = 56,613.40 : x
  2. Step 2: Convert to fraction form
    96,888.28/133,699.56 = 56,613.40/x
  3. Step 3: Cross multiply
    96,888.28x = 133,699.56 × 56,613.40
  4. Step 4: Simplify right side
    96,888.28x = 7,569,186,670.10
  5. Step 5: Solve for x
    x = 7,569,186,670.10/96,888.28
  6. Step 6: Final answer
    x = 78,122.83

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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.