Home / 71,440.11-98,567.73-42,748.11

Finding the Fourth Proportional to 71,440.11, 98,567.73 and 42,748.11

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Solution

The fourth proportional to 71,440.11, 98,567.73 and 42,748.11 is: 58,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,440.11 : 98,567.73 = 42,748.11 : x
  2. Step 2: Convert to fraction form
    71,440.11/98,567.73 = 42,748.11/x
  3. Step 3: Cross multiply
    71,440.11x = 98,567.73 × 42,748.11
  4. Step 4: Simplify right side
    71,440.11x = 4,213,584,164.49
  5. Step 5: Solve for x
    x = 4,213,584,164.49/71,440.11
  6. Step 6: Final answer
    x = 58,980.65

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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.