Home / 88,416.78-132,652.80-56,862.45

Finding the Fourth Proportional to 88,416.78, 132,652.80 and 56,862.45

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Solution

The fourth proportional to 88,416.78, 132,652.80 and 56,862.45 is: 85,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,416.78 : 132,652.80 = 56,862.45 : x
  2. Step 2: Convert to fraction form
    88,416.78/132,652.80 = 56,862.45/x
  3. Step 3: Cross multiply
    88,416.78x = 132,652.80 × 56,862.45
  4. Step 4: Simplify right side
    88,416.78x = 7,542,963,207.36
  5. Step 5: Solve for x
    x = 7,542,963,207.36/88,416.78
  6. Step 6: Final answer
    x = 85,311.44

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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.