Home / 56,421.45-77,869.89-32,543.46

Finding the Fourth Proportional to 56,421.45, 77,869.89 and 32,543.46

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Solution

The fourth proportional to 56,421.45, 77,869.89 and 32,543.46 is: 44,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421.45 : 77,869.89 = 32,543.46 : x
  2. Step 2: Convert to fraction form
    56,421.45/77,869.89 = 32,543.46/x
  3. Step 3: Cross multiply
    56,421.45x = 77,869.89 × 32,543.46
  4. Step 4: Simplify right side
    56,421.45x = 2,534,155,650.42
  5. Step 5: Solve for x
    x = 2,534,155,650.42/56,421.45
  6. Step 6: Final answer
    x = 44,914.76

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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.