Home / 89,869.47-124,018.98-49,583.55

Finding the Fourth Proportional to 89,869.47, 124,018.98 and 49,583.55

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Solution

The fourth proportional to 89,869.47, 124,018.98 and 49,583.55 is: 68,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,869.47 : 124,018.98 = 49,583.55 : x
  2. Step 2: Convert to fraction form
    89,869.47/124,018.98 = 49,583.55/x
  3. Step 3: Cross multiply
    89,869.47x = 124,018.98 × 49,583.55
  4. Step 4: Simplify right side
    89,869.47x = 6,149,301,295.78
  5. Step 5: Solve for x
    x = 6,149,301,295.78/89,869.47
  6. Step 6: Final answer
    x = 68,424.81

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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.