Home / 66,156.13-91,233.20-51,024.82

Finding the Fourth Proportional to 66,156.13, 91,233.20 and 51,024.82

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Solution

The fourth proportional to 66,156.13, 91,233.20 and 51,024.82 is: 70,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.13 : 91,233.20 = 51,024.82 : x
  2. Step 2: Convert to fraction form
    66,156.13/91,233.20 = 51,024.82/x
  3. Step 3: Cross multiply
    66,156.13x = 91,233.20 × 51,024.82
  4. Step 4: Simplify right side
    66,156.13x = 4,655,157,608.02
  5. Step 5: Solve for x
    x = 4,655,157,608.02/66,156.13
  6. Step 6: Final answer
    x = 70,366.23

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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.