Home / 90,712.09-136,075.02-24,151.96

Finding the Fourth Proportional to 90,712.09, 136,075.02 and 24,151.96

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Solution

The fourth proportional to 90,712.09, 136,075.02 and 24,151.96 is: 36,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,712.09 : 136,075.02 = 24,151.96 : x
  2. Step 2: Convert to fraction form
    90,712.09/136,075.02 = 24,151.96/x
  3. Step 3: Cross multiply
    90,712.09x = 136,075.02 × 24,151.96
  4. Step 4: Simplify right side
    90,712.09x = 3,286,478,440.04
  5. Step 5: Solve for x
    x = 3,286,478,440.04/90,712.09
  6. Step 6: Final answer
    x = 36,229.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.