Home / 88,261.50-121,806.54-49,502.94

Finding the Fourth Proportional to 88,261.50, 121,806.54 and 49,502.94

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Solution

The fourth proportional to 88,261.50, 121,806.54 and 49,502.94 is: 68,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,261.50 : 121,806.54 = 49,502.94 : x
  2. Step 2: Convert to fraction form
    88,261.50/121,806.54 = 49,502.94/x
  3. Step 3: Cross multiply
    88,261.50x = 121,806.54 × 49,502.94
  4. Step 4: Simplify right side
    88,261.50x = 6,029,781,841.23
  5. Step 5: Solve for x
    x = 6,029,781,841.23/88,261.50
  6. Step 6: Final answer
    x = 68,317.24

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1.5x scale

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.