Home / 56,108.80-84,158.34-18,656.83

Finding the Fourth Proportional to 56,108.80, 84,158.34 and 18,656.83

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Solution

The fourth proportional to 56,108.80, 84,158.34 and 18,656.83 is: 27,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,108.80 : 84,158.34 = 18,656.83 : x
  2. Step 2: Convert to fraction form
    56,108.80/84,158.34 = 18,656.83/x
  3. Step 3: Cross multiply
    56,108.80x = 84,158.34 × 18,656.83
  4. Step 4: Simplify right side
    56,108.80x = 1,570,127,842.46
  5. Step 5: Solve for x
    x = 1,570,127,842.46/56,108.80
  6. Step 6: Final answer
    x = 27,983.63

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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.