Home / 82,947.60-114,421.47-57,468.88

Finding the Fourth Proportional to 82,947.60, 114,421.47 and 57,468.88

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Solution

The fourth proportional to 82,947.60, 114,421.47 and 57,468.88 is: 79,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947.60 : 114,421.47 = 57,468.88 : x
  2. Step 2: Convert to fraction form
    82,947.60/114,421.47 = 57,468.88/x
  3. Step 3: Cross multiply
    82,947.60x = 114,421.47 × 57,468.88
  4. Step 4: Simplify right side
    82,947.60x = 6,575,673,656.37
  5. Step 5: Solve for x
    x = 6,575,673,656.37/82,947.60
  6. Step 6: Final answer
    x = 79,275.03

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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.