Home / 111,554.31-153,948.40-63,823.04

Finding the Fourth Proportional to 111,554.31, 153,948.40 and 63,823.04

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Solution

The fourth proportional to 111,554.31, 153,948.40 and 63,823.04 is: 88,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,554.31 : 153,948.40 = 63,823.04 : x
  2. Step 2: Convert to fraction form
    111,554.31/153,948.40 = 63,823.04/x
  3. Step 3: Cross multiply
    111,554.31x = 153,948.40 × 63,823.04
  4. Step 4: Simplify right side
    111,554.31x = 9,825,454,539.14
  5. Step 5: Solve for x
    x = 9,825,454,539.14/111,554.31
  6. Step 6: Final answer
    x = 88,077.76

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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.