Home / 89,558.47-123,506.80-55,572.49

Finding the Fourth Proportional to 89,558.47, 123,506.80 and 55,572.49

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Solution

The fourth proportional to 89,558.47, 123,506.80 and 55,572.49 is: 76,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,558.47 : 123,506.80 = 55,572.49 : x
  2. Step 2: Convert to fraction form
    89,558.47/123,506.80 = 55,572.49/x
  3. Step 3: Cross multiply
    89,558.47x = 123,506.80 × 55,572.49
  4. Step 4: Simplify right side
    89,558.47x = 6,863,580,407.93
  5. Step 5: Solve for x
    x = 6,863,580,407.93/89,558.47
  6. Step 6: Final answer
    x = 76,637.98

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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.