Home / 111,547.28-153,930.67-60,558.03

Finding the Fourth Proportional to 111,547.28, 153,930.67 and 60,558.03

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Solution

The fourth proportional to 111,547.28, 153,930.67 and 60,558.03 is: 83,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,547.28 : 153,930.67 = 60,558.03 : x
  2. Step 2: Convert to fraction form
    111,547.28/153,930.67 = 60,558.03/x
  3. Step 3: Cross multiply
    111,547.28x = 153,930.67 × 60,558.03
  4. Step 4: Simplify right side
    111,547.28x = 9,321,737,746.95
  5. Step 5: Solve for x
    x = 9,321,737,746.95/111,547.28
  6. Step 6: Final answer
    x = 83,567.60

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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.