Home / 88,221.63-121,746.42-47,935.35

Finding the Fourth Proportional to 88,221.63, 121,746.42 and 47,935.35

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Solution

The fourth proportional to 88,221.63, 121,746.42 and 47,935.35 is: 66,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,221.63 : 121,746.42 = 47,935.35 : x
  2. Step 2: Convert to fraction form
    88,221.63/121,746.42 = 47,935.35/x
  3. Step 3: Cross multiply
    88,221.63x = 121,746.42 × 47,935.35
  4. Step 4: Simplify right side
    88,221.63x = 5,835,957,253.95
  5. Step 5: Solve for x
    x = 5,835,957,253.95/88,221.63
  6. Step 6: Final answer
    x = 66,151.09

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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.