Home / 117,623.60-162,302.29-69,875.72

Finding the Fourth Proportional to 117,623.60, 162,302.29 and 69,875.72

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Solution

The fourth proportional to 117,623.60, 162,302.29 and 69,875.72 is: 96,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,623.60 : 162,302.29 = 69,875.72 : x
  2. Step 2: Convert to fraction form
    117,623.60/162,302.29 = 69,875.72/x
  3. Step 3: Cross multiply
    117,623.60x = 162,302.29 × 69,875.72
  4. Step 4: Simplify right side
    117,623.60x = 11,340,988,385.20
  5. Step 5: Solve for x
    x = 11,340,988,385.20/117,623.60
  6. Step 6: Final answer
    x = 96,417.63

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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.