Home / 99,314.26-137,056.32-53,995.30

Finding the Fourth Proportional to 99,314.26, 137,056.32 and 53,995.30

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Solution

The fourth proportional to 99,314.26, 137,056.32 and 53,995.30 is: 74,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,314.26 : 137,056.32 = 53,995.30 : x
  2. Step 2: Convert to fraction form
    99,314.26/137,056.32 = 53,995.30/x
  3. Step 3: Cross multiply
    99,314.26x = 137,056.32 × 53,995.30
  4. Step 4: Simplify right side
    99,314.26x = 7,400,397,115.30
  5. Step 5: Solve for x
    x = 7,400,397,115.30/99,314.26
  6. Step 6: Final answer
    x = 74,514.95

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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.