Home / 74,656.28-103,156.74-59,672.50

Finding the Fourth Proportional to 74,656.28, 103,156.74 and 59,672.50

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Solution

The fourth proportional to 74,656.28, 103,156.74 and 59,672.50 is: 82,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,656.28 : 103,156.74 = 59,672.50 : x
  2. Step 2: Convert to fraction form
    74,656.28/103,156.74 = 59,672.50/x
  3. Step 3: Cross multiply
    74,656.28x = 103,156.74 × 59,672.50
  4. Step 4: Simplify right side
    74,656.28x = 6,155,620,309.76
  5. Step 5: Solve for x
    x = 6,155,620,309.76/74,656.28
  6. Step 6: Final answer
    x = 82,452.81

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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.