Home / 64,138.57-88,501.30-35,838.79

Finding the Fourth Proportional to 64,138.57, 88,501.30 and 35,838.79

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Solution

The fourth proportional to 64,138.57, 88,501.30 and 35,838.79 is: 49,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,138.57 : 88,501.30 = 35,838.79 : x
  2. Step 2: Convert to fraction form
    64,138.57/88,501.30 = 35,838.79/x
  3. Step 3: Cross multiply
    64,138.57x = 88,501.30 × 35,838.79
  4. Step 4: Simplify right side
    64,138.57x = 3,171,779,194.58
  5. Step 5: Solve for x
    x = 3,171,779,194.58/64,138.57
  6. Step 6: Final answer
    x = 49,451.98

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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.