Home / 88,595.19-122,283.14-68,421.33

Finding the Fourth Proportional to 88,595.19, 122,283.14 and 68,421.33

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Solution

The fourth proportional to 88,595.19, 122,283.14 and 68,421.33 is: 94,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,595.19 : 122,283.14 = 68,421.33 : x
  2. Step 2: Convert to fraction form
    88,595.19/122,283.14 = 68,421.33/x
  3. Step 3: Cross multiply
    88,595.19x = 122,283.14 × 68,421.33
  4. Step 4: Simplify right side
    88,595.19x = 8,366,774,733.27
  5. Step 5: Solve for x
    x = 8,366,774,733.27/88,595.19
  6. Step 6: Final answer
    x = 94,438.25

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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.