Home / 88,538.68-122,178.81-50,810.50

Finding the Fourth Proportional to 88,538.68, 122,178.81 and 50,810.50

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Solution

The fourth proportional to 88,538.68, 122,178.81 and 50,810.50 is: 70,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,538.68 : 122,178.81 = 50,810.50 : x
  2. Step 2: Convert to fraction form
    88,538.68/122,178.81 = 50,810.50/x
  3. Step 3: Cross multiply
    88,538.68x = 122,178.81 × 50,810.50
  4. Step 4: Simplify right side
    88,538.68x = 6,207,966,425.51
  5. Step 5: Solve for x
    x = 6,207,966,425.51/88,538.68
  6. Step 6: Final answer
    x = 70,115.87

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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.