Home / 99,544.93-137,375.52-54,223.81

Finding the Fourth Proportional to 99,544.93, 137,375.52 and 54,223.81

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Solution

The fourth proportional to 99,544.93, 137,375.52 and 54,223.81 is: 74,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,544.93 : 137,375.52 = 54,223.81 : x
  2. Step 2: Convert to fraction form
    99,544.93/137,375.52 = 54,223.81/x
  3. Step 3: Cross multiply
    99,544.93x = 137,375.52 × 54,223.81
  4. Step 4: Simplify right side
    99,544.93x = 7,449,024,095.13
  5. Step 5: Solve for x
    x = 7,449,024,095.13/99,544.93
  6. Step 6: Final answer
    x = 74,830.77

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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.