Home / 61,719.11-92,420.65-42,717.48

Finding the Fourth Proportional to 61,719.11, 92,420.65 and 42,717.48

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Solution

The fourth proportional to 61,719.11, 92,420.65 and 42,717.48 is: 63,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,719.11 : 92,420.65 = 42,717.48 : x
  2. Step 2: Convert to fraction form
    61,719.11/92,420.65 = 42,717.48/x
  3. Step 3: Cross multiply
    61,719.11x = 92,420.65 × 42,717.48
  4. Step 4: Simplify right side
    61,719.11x = 3,947,976,734.50
  5. Step 5: Solve for x
    x = 3,947,976,734.50/61,719.11
  6. Step 6: Final answer
    x = 63,966.84

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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.