Home / 40,742.13-61,140.30-16,746.11

Finding the Fourth Proportional to 40,742.13, 61,140.30 and 16,746.11

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Solution

The fourth proportional to 40,742.13, 61,140.30 and 16,746.11 is: 25,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.13 : 61,140.30 = 16,746.11 : x
  2. Step 2: Convert to fraction form
    40,742.13/61,140.30 = 16,746.11/x
  3. Step 3: Cross multiply
    40,742.13x = 61,140.30 × 16,746.11
  4. Step 4: Simplify right side
    40,742.13x = 1,023,862,189.23
  5. Step 5: Solve for x
    x = 1,023,862,189.23/40,742.13
  6. Step 6: Final answer
    x = 25,130.31

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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.