Home / 56,199.78-77,475.25-34,675.15

Finding the Fourth Proportional to 56,199.78, 77,475.25 and 34,675.15

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Solution

The fourth proportional to 56,199.78, 77,475.25 and 34,675.15 is: 47,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,199.78 : 77,475.25 = 34,675.15 : x
  2. Step 2: Convert to fraction form
    56,199.78/77,475.25 = 34,675.15/x
  3. Step 3: Cross multiply
    56,199.78x = 77,475.25 × 34,675.15
  4. Step 4: Simplify right side
    56,199.78x = 2,686,465,741.66
  5. Step 5: Solve for x
    x = 2,686,465,741.66/56,199.78
  6. Step 6: Final answer
    x = 47,802.07

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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.