Home / 88,628.19-122,308.41-50,386.87

Finding the Fourth Proportional to 88,628.19, 122,308.41 and 50,386.87

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Solution

The fourth proportional to 88,628.19, 122,308.41 and 50,386.87 is: 69,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,628.19 : 122,308.41 = 50,386.87 : x
  2. Step 2: Convert to fraction form
    88,628.19/122,308.41 = 50,386.87/x
  3. Step 3: Cross multiply
    88,628.19x = 122,308.41 × 50,386.87
  4. Step 4: Simplify right side
    88,628.19x = 6,162,737,954.58
  5. Step 5: Solve for x
    x = 6,162,737,954.58/88,628.19
  6. Step 6: Final answer
    x = 69,534.74

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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.