Home / 89,008.08-122,831.40-49,264.08

Finding the Fourth Proportional to 89,008.08, 122,831.40 and 49,264.08

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Solution

The fourth proportional to 89,008.08, 122,831.40 and 49,264.08 is: 67,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,008.08 : 122,831.40 = 49,264.08 : x
  2. Step 2: Convert to fraction form
    89,008.08/122,831.40 = 49,264.08/x
  3. Step 3: Cross multiply
    89,008.08x = 122,831.40 × 49,264.08
  4. Step 4: Simplify right side
    89,008.08x = 6,051,175,916.11
  5. Step 5: Solve for x
    x = 6,051,175,916.11/89,008.08
  6. Step 6: Final answer
    x = 67,984.57

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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.