Home / 112,036.50-154,613.61-61,738.74

Finding the Fourth Proportional to 112,036.50, 154,613.61 and 61,738.74

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Solution

The fourth proportional to 112,036.50, 154,613.61 and 61,738.74 is: 85,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.50 : 154,613.61 = 61,738.74 : x
  2. Step 2: Convert to fraction form
    112,036.50/154,613.61 = 61,738.74/x
  3. Step 3: Cross multiply
    112,036.50x = 154,613.61 × 61,738.74
  4. Step 4: Simplify right side
    112,036.50x = 9,545,649,468.25
  5. Step 5: Solve for x
    x = 9,545,649,468.25/112,036.50
  6. Step 6: Final answer
    x = 85,201.25

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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.