Home / 91,429.02-126,181.55-52,668.18

Finding the Fourth Proportional to 91,429.02, 126,181.55 and 52,668.18

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Solution

The fourth proportional to 91,429.02, 126,181.55 and 52,668.18 is: 72,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,429.02 : 126,181.55 = 52,668.18 : x
  2. Step 2: Convert to fraction form
    91,429.02/126,181.55 = 52,668.18/x
  3. Step 3: Cross multiply
    91,429.02x = 126,181.55 × 52,668.18
  4. Step 4: Simplify right side
    91,429.02x = 6,645,752,324.74
  5. Step 5: Solve for x
    x = 6,645,752,324.74/91,429.02
  6. Step 6: Final answer
    x = 72,687.56

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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.