Home / 103,066.28-142,259.46-60,638.48

Finding the Fourth Proportional to 103,066.28, 142,259.46 and 60,638.48

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Solution

The fourth proportional to 103,066.28, 142,259.46 and 60,638.48 is: 83,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,066.28 : 142,259.46 = 60,638.48 : x
  2. Step 2: Convert to fraction form
    103,066.28/142,259.46 = 60,638.48/x
  3. Step 3: Cross multiply
    103,066.28x = 142,259.46 × 60,638.48
  4. Step 4: Simplify right side
    103,066.28x = 8,626,397,420.02
  5. Step 5: Solve for x
    x = 8,626,397,420.02/103,066.28
  6. Step 6: Final answer
    x = 83,697.57

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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.