Home / 64,440.65-96,612.35-42,259.61

Finding the Fourth Proportional to 64,440.65, 96,612.35 and 42,259.61

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Solution

The fourth proportional to 64,440.65, 96,612.35 and 42,259.61 is: 63,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,440.65 : 96,612.35 = 42,259.61 : x
  2. Step 2: Convert to fraction form
    64,440.65/96,612.35 = 42,259.61/x
  3. Step 3: Cross multiply
    64,440.65x = 96,612.35 × 42,259.61
  4. Step 4: Simplify right side
    64,440.65x = 4,082,799,537.82
  5. Step 5: Solve for x
    x = 4,082,799,537.82/64,440.65
  6. Step 6: Final answer
    x = 63,357.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.