Home / 99,564.26-137,400.28-54,244.40

Finding the Fourth Proportional to 99,564.26, 137,400.28 and 54,244.40

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Solution

The fourth proportional to 99,564.26, 137,400.28 and 54,244.40 is: 74,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,564.26 : 137,400.28 = 54,244.40 : x
  2. Step 2: Convert to fraction form
    99,564.26/137,400.28 = 54,244.40/x
  3. Step 3: Cross multiply
    99,564.26x = 137,400.28 × 54,244.40
  4. Step 4: Simplify right side
    99,564.26x = 7,453,194,925.82
  5. Step 5: Solve for x
    x = 7,453,194,925.82/99,564.26
  6. Step 6: Final answer
    x = 74,858.14

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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.