Home / 69,824.16-96,346.80-42,971.04

Finding the Fourth Proportional to 69,824.16, 96,346.80 and 42,971.04

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Solution

The fourth proportional to 69,824.16, 96,346.80 and 42,971.04 is: 59,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,824.16 : 96,346.80 = 42,971.04 : x
  2. Step 2: Convert to fraction form
    69,824.16/96,346.80 = 42,971.04/x
  3. Step 3: Cross multiply
    69,824.16x = 96,346.80 × 42,971.04
  4. Step 4: Simplify right side
    69,824.16x = 4,140,122,196.67
  5. Step 5: Solve for x
    x = 4,140,122,196.67/69,824.16
  6. Step 6: Final answer
    x = 59,293.55

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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.