Home / 91,047.74-125,647.02-52,808.90

Finding the Fourth Proportional to 91,047.74, 125,647.02 and 52,808.90

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Solution

The fourth proportional to 91,047.74, 125,647.02 and 52,808.90 is: 72,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047.74 : 125,647.02 = 52,808.90 : x
  2. Step 2: Convert to fraction form
    91,047.74/125,647.02 = 52,808.90/x
  3. Step 3: Cross multiply
    91,047.74x = 125,647.02 × 52,808.90
  4. Step 4: Simplify right side
    91,047.74x = 6,635,280,286.24
  5. Step 5: Solve for x
    x = 6,635,280,286.24/91,047.74
  6. Step 6: Final answer
    x = 72,876.94

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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.