Home / 112,433.49-168,259.01-69,718.95

Finding the Fourth Proportional to 112,433.49, 168,259.01 and 69,718.95

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Solution

The fourth proportional to 112,433.49, 168,259.01 and 69,718.95 is: 104,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,433.49 : 168,259.01 = 69,718.95 : x
  2. Step 2: Convert to fraction form
    112,433.49/168,259.01 = 69,718.95/x
  3. Step 3: Cross multiply
    112,433.49x = 168,259.01 × 69,718.95
  4. Step 4: Simplify right side
    112,433.49x = 11,730,841,156.64
  5. Step 5: Solve for x
    x = 11,730,841,156.64/112,433.49
  6. Step 6: Final answer
    x = 104,335.83

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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.