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Finding the Fourth Proportional to 60,697.74, 83,763.65 and 35,205.18

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Solution

The fourth proportional to 60,697.74, 83,763.65 and 35,205.18 is: 48,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,697.74 : 83,763.65 = 35,205.18 : x
  2. Step 2: Convert to fraction form
    60,697.74/83,763.65 = 35,205.18/x
  3. Step 3: Cross multiply
    60,697.74x = 83,763.65 × 35,205.18
  4. Step 4: Simplify right side
    60,697.74x = 2,948,914,199.68
  5. Step 5: Solve for x
    x = 2,948,914,199.68/60,697.74
  6. Step 6: Final answer
    x = 48,583.59

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1.5x scale

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.