Home / 103,176.23-142,412.72-60,759.36

Finding the Fourth Proportional to 103,176.23, 142,412.72 and 60,759.36

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Solution

The fourth proportional to 103,176.23, 142,412.72 and 60,759.36 is: 83,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,176.23 : 142,412.72 = 60,759.36 : x
  2. Step 2: Convert to fraction form
    103,176.23/142,412.72 = 60,759.36/x
  3. Step 3: Cross multiply
    103,176.23x = 142,412.72 × 60,759.36
  4. Step 4: Simplify right side
    103,176.23x = 8,652,905,419.26
  5. Step 5: Solve for x
    x = 8,652,905,419.26/103,176.23
  6. Step 6: Final answer
    x = 83,865.30

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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.