Home / 96,989.47-133,842.58-58,771.65

Finding the Fourth Proportional to 96,989.47, 133,842.58 and 58,771.65

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Solution

The fourth proportional to 96,989.47, 133,842.58 and 58,771.65 is: 81,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,989.47 : 133,842.58 = 58,771.65 : x
  2. Step 2: Convert to fraction form
    96,989.47/133,842.58 = 58,771.65/x
  3. Step 3: Cross multiply
    96,989.47x = 133,842.58 × 58,771.65
  4. Step 4: Simplify right side
    96,989.47x = 7,866,149,266.86
  5. Step 5: Solve for x
    x = 7,866,149,266.86/96,989.47
  6. Step 6: Final answer
    x = 81,103.13

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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.