Home / 64,980.10-97,470.15-40,404.10

Finding the Fourth Proportional to 64,980.10, 97,470.15 and 40,404.10

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Solution

The fourth proportional to 64,980.10, 97,470.15 and 40,404.10 is: 60,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,980.10 : 97,470.15 = 40,404.10 : x
  2. Step 2: Convert to fraction form
    64,980.10/97,470.15 = 40,404.10/x
  3. Step 3: Cross multiply
    64,980.10x = 97,470.15 × 40,404.10
  4. Step 4: Simplify right side
    64,980.10x = 3,938,193,687.62
  5. Step 5: Solve for x
    x = 3,938,193,687.62/64,980.10
  6. Step 6: Final answer
    x = 60,606.15

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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.