Home / 56,000.40-83,887.20-34,875.60

Finding the Fourth Proportional to 56,000.40, 83,887.20 and 34,875.60

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Solution

The fourth proportional to 56,000.40, 83,887.20 and 34,875.60 is: 52,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.40 : 83,887.20 = 34,875.60 : x
  2. Step 2: Convert to fraction form
    56,000.40/83,887.20 = 34,875.60/x
  3. Step 3: Cross multiply
    56,000.40x = 83,887.20 × 34,875.60
  4. Step 4: Simplify right side
    56,000.40x = 2,925,616,432.32
  5. Step 5: Solve for x
    x = 2,925,616,432.32/56,000.40
  6. Step 6: Final answer
    x = 52,242.78

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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.