Home / 56,160.59-84,212.72-18,707.50

Finding the Fourth Proportional to 56,160.59, 84,212.72 and 18,707.50

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Solution

The fourth proportional to 56,160.59, 84,212.72 and 18,707.50 is: 28,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.59 : 84,212.72 = 18,707.50 : x
  2. Step 2: Convert to fraction form
    56,160.59/84,212.72 = 18,707.50/x
  3. Step 3: Cross multiply
    56,160.59x = 84,212.72 × 18,707.50
  4. Step 4: Simplify right side
    56,160.59x = 1,575,408,944.80
  5. Step 5: Solve for x
    x = 1,575,408,944.80/56,160.59
  6. Step 6: Final answer
    x = 28,051.86

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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.