Home / 64,515.64-96,768.60-38,386.68

Finding the Fourth Proportional to 64,515.64, 96,768.60 and 38,386.68

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Solution

The fourth proportional to 64,515.64, 96,768.60 and 38,386.68 is: 57,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515.64 : 96,768.60 = 38,386.68 : x
  2. Step 2: Convert to fraction form
    64,515.64/96,768.60 = 38,386.68/x
  3. Step 3: Cross multiply
    64,515.64x = 96,768.60 × 38,386.68
  4. Step 4: Simplify right side
    64,515.64x = 3,714,625,282.25
  5. Step 5: Solve for x
    x = 3,714,625,282.25/64,515.64
  6. Step 6: Final answer
    x = 57,577.13

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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.