Home / 56,482.78-77,948.31-34,122.46

Finding the Fourth Proportional to 56,482.78, 77,948.31 and 34,122.46

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Solution

The fourth proportional to 56,482.78, 77,948.31 and 34,122.46 is: 47,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.78 : 77,948.31 = 34,122.46 : x
  2. Step 2: Convert to fraction form
    56,482.78/77,948.31 = 34,122.46/x
  3. Step 3: Cross multiply
    56,482.78x = 77,948.31 × 34,122.46
  4. Step 4: Simplify right side
    56,482.78x = 2,659,788,090.04
  5. Step 5: Solve for x
    x = 2,659,788,090.04/56,482.78
  6. Step 6: Final answer
    x = 47,090.25

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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.