Home / 64,112.60-88,473.36-45,020.12

Finding the Fourth Proportional to 64,112.60, 88,473.36 and 45,020.12

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Solution

The fourth proportional to 64,112.60, 88,473.36 and 45,020.12 is: 62,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,112.60 : 88,473.36 = 45,020.12 : x
  2. Step 2: Convert to fraction form
    64,112.60/88,473.36 = 45,020.12/x
  3. Step 3: Cross multiply
    64,112.60x = 88,473.36 × 45,020.12
  4. Step 4: Simplify right side
    64,112.60x = 3,983,081,284.00
  5. Step 5: Solve for x
    x = 3,983,081,284.00/64,112.60
  6. Step 6: Final answer
    x = 62,126.34

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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.