Home / 88,226.96-121,767.72-64,432.40

Finding the Fourth Proportional to 88,226.96, 121,767.72 and 64,432.40

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Solution

The fourth proportional to 88,226.96, 121,767.72 and 64,432.40 is: 88,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,226.96 : 121,767.72 = 64,432.40 : x
  2. Step 2: Convert to fraction form
    88,226.96/121,767.72 = 64,432.40/x
  3. Step 3: Cross multiply
    88,226.96x = 121,767.72 × 64,432.40
  4. Step 4: Simplify right side
    88,226.96x = 7,845,786,442.13
  5. Step 5: Solve for x
    x = 7,845,786,442.13/88,226.96
  6. Step 6: Final answer
    x = 88,927.31

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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.