Home / 91,923.02-126,867.50-56,133.78

Finding the Fourth Proportional to 91,923.02, 126,867.50 and 56,133.78

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Solution

The fourth proportional to 91,923.02, 126,867.50 and 56,133.78 is: 77,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,923.02 : 126,867.50 = 56,133.78 : x
  2. Step 2: Convert to fraction form
    91,923.02/126,867.50 = 56,133.78/x
  3. Step 3: Cross multiply
    91,923.02x = 126,867.50 × 56,133.78
  4. Step 4: Simplify right side
    91,923.02x = 7,121,552,334.15
  5. Step 5: Solve for x
    x = 7,121,552,334.15/91,923.02
  6. Step 6: Final answer
    x = 77,473.00

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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.