Home / 56,538.41-78,017.45-32,664.57

Finding the Fourth Proportional to 56,538.41, 78,017.45 and 32,664.57

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Solution

The fourth proportional to 56,538.41, 78,017.45 and 32,664.57 is: 45,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,538.41 : 78,017.45 = 32,664.57 : x
  2. Step 2: Convert to fraction form
    56,538.41/78,017.45 = 32,664.57/x
  3. Step 3: Cross multiply
    56,538.41x = 78,017.45 × 32,664.57
  4. Step 4: Simplify right side
    56,538.41x = 2,548,406,000.86
  5. Step 5: Solve for x
    x = 2,548,406,000.86/56,538.41
  6. Step 6: Final answer
    x = 45,073.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.