Home / 96,851.12-133,631.04-56,541.80

Finding the Fourth Proportional to 96,851.12, 133,631.04 and 56,541.80

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Solution

The fourth proportional to 96,851.12, 133,631.04 and 56,541.80 is: 78,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,851.12 : 133,631.04 = 56,541.80 : x
  2. Step 2: Convert to fraction form
    96,851.12/133,631.04 = 56,541.80/x
  3. Step 3: Cross multiply
    96,851.12x = 133,631.04 × 56,541.80
  4. Step 4: Simplify right side
    96,851.12x = 7,555,739,537.47
  5. Step 5: Solve for x
    x = 7,555,739,537.47/96,851.12
  6. Step 6: Final answer
    x = 78,013.96

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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.