Home / 91,140.95-125,759.40-60,877.73

Finding the Fourth Proportional to 91,140.95, 125,759.40 and 60,877.73

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Solution

The fourth proportional to 91,140.95, 125,759.40 and 60,877.73 is: 84,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,140.95 : 125,759.40 = 60,877.73 : x
  2. Step 2: Convert to fraction form
    91,140.95/125,759.40 = 60,877.73/x
  3. Step 3: Cross multiply
    91,140.95x = 125,759.40 × 60,877.73
  4. Step 4: Simplify right side
    91,140.95x = 7,655,946,798.16
  5. Step 5: Solve for x
    x = 7,655,946,798.16/91,140.95
  6. Step 6: Final answer
    x = 84,001.17

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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.