Home / 60,415.44-90,639.50-42,995.85

Finding the Fourth Proportional to 60,415.44, 90,639.50 and 42,995.85

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Solution

The fourth proportional to 60,415.44, 90,639.50 and 42,995.85 is: 64,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,415.44 : 90,639.50 = 42,995.85 : x
  2. Step 2: Convert to fraction form
    60,415.44/90,639.50 = 42,995.85/x
  3. Step 3: Cross multiply
    60,415.44x = 90,639.50 × 42,995.85
  4. Step 4: Simplify right side
    60,415.44x = 3,897,122,131.10
  5. Step 5: Solve for x
    x = 3,897,122,131.10/60,415.44
  6. Step 6: Final answer
    x = 64,505.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.