Home / 56,877.12-78,504.48-34,539.84

Finding the Fourth Proportional to 56,877.12, 78,504.48 and 34,539.84

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Solution

The fourth proportional to 56,877.12, 78,504.48 and 34,539.84 is: 47,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,877.12 : 78,504.48 = 34,539.84 : x
  2. Step 2: Convert to fraction form
    56,877.12/78,504.48 = 34,539.84/x
  3. Step 3: Cross multiply
    56,877.12x = 78,504.48 × 34,539.84
  4. Step 4: Simplify right side
    56,877.12x = 2,711,532,178.48
  5. Step 5: Solve for x
    x = 2,711,532,178.48/56,877.12
  6. Step 6: Final answer
    x = 47,673.51

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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.