Home / 60,225.48-90,270.18-45,387.90

Finding the Fourth Proportional to 60,225.48, 90,270.18 and 45,387.90

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Solution

The fourth proportional to 60,225.48, 90,270.18 and 45,387.90 is: 68,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,225.48 : 90,270.18 = 45,387.90 : x
  2. Step 2: Convert to fraction form
    60,225.48/90,270.18 = 45,387.90/x
  3. Step 3: Cross multiply
    60,225.48x = 90,270.18 × 45,387.90
  4. Step 4: Simplify right side
    60,225.48x = 4,097,173,902.82
  5. Step 5: Solve for x
    x = 4,097,173,902.82/60,225.48
  6. Step 6: Final answer
    x = 68,030.57

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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.