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Finding the Fourth Proportional to 60,792.40, 83,903.24 and 35,641.90

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Solution

The fourth proportional to 60,792.40, 83,903.24 and 35,641.90 is: 49,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,792.40 : 83,903.24 = 35,641.90 : x
  2. Step 2: Convert to fraction form
    60,792.40/83,903.24 = 35,641.90/x
  3. Step 3: Cross multiply
    60,792.40x = 83,903.24 × 35,641.90
  4. Step 4: Simplify right side
    60,792.40x = 2,990,470,889.76
  5. Step 5: Solve for x
    x = 2,990,470,889.76/60,792.40
  6. Step 6: Final answer
    x = 49,191.53

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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.