Home / 56,719.50-85,088.46-19,282.92

Finding the Fourth Proportional to 56,719.50, 85,088.46 and 19,282.92

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Solution

The fourth proportional to 56,719.50, 85,088.46 and 19,282.92 is: 28,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,719.50 : 85,088.46 = 19,282.92 : x
  2. Step 2: Convert to fraction form
    56,719.50/85,088.46 = 19,282.92/x
  3. Step 3: Cross multiply
    56,719.50x = 85,088.46 × 19,282.92
  4. Step 4: Simplify right side
    56,719.50x = 1,640,753,967.10
  5. Step 5: Solve for x
    x = 1,640,753,967.10/56,719.50
  6. Step 6: Final answer
    x = 28,927.51

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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.