Home / 63,010.20-94,515.30-45,643.80

Finding the Fourth Proportional to 63,010.20, 94,515.30 and 45,643.80

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Solution

The fourth proportional to 63,010.20, 94,515.30 and 45,643.80 is: 68,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,010.20 : 94,515.30 = 45,643.80 : x
  2. Step 2: Convert to fraction form
    63,010.20/94,515.30 = 45,643.80/x
  3. Step 3: Cross multiply
    63,010.20x = 94,515.30 × 45,643.80
  4. Step 4: Simplify right side
    63,010.20x = 4,314,037,450.14
  5. Step 5: Solve for x
    x = 4,314,037,450.14/63,010.20
  6. Step 6: Final answer
    x = 68,465.70

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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.