Home / 88,632.79-122,358.38-68,444.35

Finding the Fourth Proportional to 88,632.79, 122,358.38 and 68,444.35

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Solution

The fourth proportional to 88,632.79, 122,358.38 and 68,444.35 is: 94,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,632.79 : 122,358.38 = 68,444.35 : x
  2. Step 2: Convert to fraction form
    88,632.79/122,358.38 = 68,444.35/x
  3. Step 3: Cross multiply
    88,632.79x = 122,358.38 × 68,444.35
  4. Step 4: Simplify right side
    88,632.79x = 8,374,739,138.04
  5. Step 5: Solve for x
    x = 8,374,739,138.04/88,632.79
  6. Step 6: Final answer
    x = 94,488.05

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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.