Home / 89,124.47-122,991.77-48,288.66

Finding the Fourth Proportional to 89,124.47, 122,991.77 and 48,288.66

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Solution

The fourth proportional to 89,124.47, 122,991.77 and 48,288.66 is: 66,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,124.47 : 122,991.77 = 48,288.66 : x
  2. Step 2: Convert to fraction form
    89,124.47/122,991.77 = 48,288.66/x
  3. Step 3: Cross multiply
    89,124.47x = 122,991.77 × 48,288.66
  4. Step 4: Simplify right side
    89,124.47x = 5,939,107,764.33
  5. Step 5: Solve for x
    x = 5,939,107,764.33/89,124.47
  6. Step 6: Final answer
    x = 66,638.35

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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.