Home / 91,989.52-126,945.98-53,751.26

Finding the Fourth Proportional to 91,989.52, 126,945.98 and 53,751.26

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Solution

The fourth proportional to 91,989.52, 126,945.98 and 53,751.26 is: 74,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,989.52 : 126,945.98 = 53,751.26 : x
  2. Step 2: Convert to fraction form
    91,989.52/126,945.98 = 53,751.26/x
  3. Step 3: Cross multiply
    91,989.52x = 126,945.98 × 53,751.26
  4. Step 4: Simplify right side
    91,989.52x = 6,823,506,376.93
  5. Step 5: Solve for x
    x = 6,823,506,376.93/91,989.52
  6. Step 6: Final answer
    x = 74,177.00

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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.