Home / 88,524.10-133,045.35-77,119.30

Finding the Fourth Proportional to 88,524.10, 133,045.35 and 77,119.30

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Solution

The fourth proportional to 88,524.10, 133,045.35 and 77,119.30 is: 115,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,524.10 : 133,045.35 = 77,119.30 : x
  2. Step 2: Convert to fraction form
    88,524.10/133,045.35 = 77,119.30/x
  3. Step 3: Cross multiply
    88,524.10x = 133,045.35 × 77,119.30
  4. Step 4: Simplify right side
    88,524.10x = 10,260,364,260.26
  5. Step 5: Solve for x
    x = 10,260,364,260.26/88,524.10
  6. Step 6: Final answer
    x = 115,904.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.