Home / 91,356.77-126,074.00-51,066.20

Finding the Fourth Proportional to 91,356.77, 126,074.00 and 51,066.20

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Solution

The fourth proportional to 91,356.77, 126,074.00 and 51,066.20 is: 70,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,356.77 : 126,074.00 = 51,066.20 : x
  2. Step 2: Convert to fraction form
    91,356.77/126,074.00 = 51,066.20/x
  3. Step 3: Cross multiply
    91,356.77x = 126,074.00 × 51,066.20
  4. Step 4: Simplify right side
    91,356.77x = 6,438,119,213.10
  5. Step 5: Solve for x
    x = 6,438,119,213.10/91,356.77
  6. Step 6: Final answer
    x = 70,472.28

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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.