Home / 111,441.24-153,787.68-61,140.24

Finding the Fourth Proportional to 111,441.24, 153,787.68 and 61,140.24

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Solution

The fourth proportional to 111,441.24, 153,787.68 and 61,140.24 is: 84,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,441.24 : 153,787.68 = 61,140.24 : x
  2. Step 2: Convert to fraction form
    111,441.24/153,787.68 = 61,140.24/x
  3. Step 3: Cross multiply
    111,441.24x = 153,787.68 × 61,140.24
  4. Step 4: Simplify right side
    111,441.24x = 9,402,615,664.24
  5. Step 5: Solve for x
    x = 9,402,615,664.24/111,441.24
  6. Step 6: Final answer
    x = 84,372.86

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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.