Home / 94,593.20-130,623-90,111.92

Finding the Fourth Proportional to 94,593.20, 130,623 and 90,111.92

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Solution

The fourth proportional to 94,593.20, 130,623 and 90,111.92 is: 124,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,593.20 : 130,623 = 90,111.92 : x
  2. Step 2: Convert to fraction form
    94,593.20/130,623 = 90,111.92/x
  3. Step 3: Cross multiply
    94,593.20x = 130,623 × 90,111.92
  4. Step 4: Simplify right side
    94,593.20x = 11,770,689,326.16
  5. Step 5: Solve for x
    x = 11,770,689,326.16/94,593.20
  6. Step 6: Final answer
    x = 124,434.84

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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.