Home / 123,848.65-170,904.76-67,259.89

Finding the Fourth Proportional to 123,848.65, 170,904.76 and 67,259.89

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Solution

The fourth proportional to 123,848.65, 170,904.76 and 67,259.89 is: 92,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,848.65 : 170,904.76 = 67,259.89 : x
  2. Step 2: Convert to fraction form
    123,848.65/170,904.76 = 67,259.89/x
  3. Step 3: Cross multiply
    123,848.65x = 170,904.76 × 67,259.89
  4. Step 4: Simplify right side
    123,848.65x = 11,495,035,358.08
  5. Step 5: Solve for x
    x = 11,495,035,358.08/123,848.65
  6. Step 6: Final answer
    x = 92,815.18

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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.