Home / 91,140.45-125,758.71-60,877.23

Finding the Fourth Proportional to 91,140.45, 125,758.71 and 60,877.23

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Solution

The fourth proportional to 91,140.45, 125,758.71 and 60,877.23 is: 84,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,140.45 : 125,758.71 = 60,877.23 : x
  2. Step 2: Convert to fraction form
    91,140.45/125,758.71 = 60,877.23/x
  3. Step 3: Cross multiply
    91,140.45x = 125,758.71 × 60,877.23
  4. Step 4: Simplify right side
    91,140.45x = 7,655,841,913.17
  5. Step 5: Solve for x
    x = 7,655,841,913.17/91,140.45
  6. Step 6: Final answer
    x = 84,000.48

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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.