Home / 94,921.12-130,989.54-67,747.24

Finding the Fourth Proportional to 94,921.12, 130,989.54 and 67,747.24

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Solution

The fourth proportional to 94,921.12, 130,989.54 and 67,747.24 is: 93,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,921.12 : 130,989.54 = 67,747.24 : x
  2. Step 2: Convert to fraction form
    94,921.12/130,989.54 = 67,747.24/x
  3. Step 3: Cross multiply
    94,921.12x = 130,989.54 × 67,747.24
  4. Step 4: Simplify right side
    94,921.12x = 8,874,179,803.87
  5. Step 5: Solve for x
    x = 8,874,179,803.87/94,921.12
  6. Step 6: Final answer
    x = 93,490.05

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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.