Home / 62,867.12-86,756.64-34,574.72

Finding the Fourth Proportional to 62,867.12, 86,756.64 and 34,574.72

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Solution

The fourth proportional to 62,867.12, 86,756.64 and 34,574.72 is: 47,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,867.12 : 86,756.64 = 34,574.72 : x
  2. Step 2: Convert to fraction form
    62,867.12/86,756.64 = 34,574.72/x
  3. Step 3: Cross multiply
    62,867.12x = 86,756.64 × 34,574.72
  4. Step 4: Simplify right side
    62,867.12x = 2,999,586,536.14
  5. Step 5: Solve for x
    x = 2,999,586,536.14/62,867.12
  6. Step 6: Final answer
    x = 47,713.12

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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.