Home / 88,574.19-122,223.51-49,807.89

Finding the Fourth Proportional to 88,574.19, 122,223.51 and 49,807.89

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Solution

The fourth proportional to 88,574.19, 122,223.51 and 49,807.89 is: 68,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,574.19 : 122,223.51 = 49,807.89 : x
  2. Step 2: Convert to fraction form
    88,574.19/122,223.51 = 49,807.89/x
  3. Step 3: Cross multiply
    88,574.19x = 122,223.51 × 49,807.89
  4. Step 4: Simplify right side
    88,574.19x = 6,087,695,141.49
  5. Step 5: Solve for x
    x = 6,087,695,141.49/88,574.19
  6. Step 6: Final answer
    x = 68,729.90

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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.