Home / 123,463.13-170,386.40-69,746.76

Finding the Fourth Proportional to 123,463.13, 170,386.40 and 69,746.76

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Solution

The fourth proportional to 123,463.13, 170,386.40 and 69,746.76 is: 96,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,463.13 : 170,386.40 = 69,746.76 : x
  2. Step 2: Convert to fraction form
    123,463.13/170,386.40 = 69,746.76/x
  3. Step 3: Cross multiply
    123,463.13x = 170,386.40 × 69,746.76
  4. Step 4: Simplify right side
    123,463.13x = 11,883,899,522.43
  5. Step 5: Solve for x
    x = 11,883,899,522.43/123,463.13
  6. Step 6: Final answer
    x = 96,254.65

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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.