Home / 117,623.77-162,323.40-69,877.24

Finding the Fourth Proportional to 117,623.77, 162,323.40 and 69,877.24

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Solution

The fourth proportional to 117,623.77, 162,323.40 and 69,877.24 is: 96,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,623.77 : 162,323.40 = 69,877.24 : x
  2. Step 2: Convert to fraction form
    117,623.77/162,323.40 = 69,877.24/x
  3. Step 3: Cross multiply
    117,623.77x = 162,323.40 × 69,877.24
  4. Step 4: Simplify right side
    117,623.77x = 11,342,711,179.42
  5. Step 5: Solve for x
    x = 11,342,711,179.42/117,623.77
  6. Step 6: Final answer
    x = 96,432.13

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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.