Home / 66,500.19-91,770.22-42,626.85

Finding the Fourth Proportional to 66,500.19, 91,770.22 and 42,626.85

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Solution

The fourth proportional to 66,500.19, 91,770.22 and 42,626.85 is: 58,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,500.19 : 91,770.22 = 42,626.85 : x
  2. Step 2: Convert to fraction form
    66,500.19/91,770.22 = 42,626.85/x
  3. Step 3: Cross multiply
    66,500.19x = 91,770.22 × 42,626.85
  4. Step 4: Simplify right side
    66,500.19x = 3,911,875,402.41
  5. Step 5: Solve for x
    x = 3,911,875,402.41/66,500.19
  6. Step 6: Final answer
    x = 58,825.03

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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.