Home / 117,854.23-162,656.36-69,440.71

Finding the Fourth Proportional to 117,854.23, 162,656.36 and 69,440.71

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Solution

The fourth proportional to 117,854.23, 162,656.36 and 69,440.71 is: 95,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,854.23 : 162,656.36 = 69,440.71 : x
  2. Step 2: Convert to fraction form
    117,854.23/162,656.36 = 69,440.71/x
  3. Step 3: Cross multiply
    117,854.23x = 162,656.36 × 69,440.71
  4. Step 4: Simplify right side
    117,854.23x = 11,294,973,124.42
  5. Step 5: Solve for x
    x = 11,294,973,124.42/117,854.23
  6. Step 6: Final answer
    x = 95,838.50

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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.