Home / 64,386.64-88,853.40-39,236.14

Finding the Fourth Proportional to 64,386.64, 88,853.40 and 39,236.14

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Solution

The fourth proportional to 64,386.64, 88,853.40 and 39,236.14 is: 54,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,386.64 : 88,853.40 = 39,236.14 : x
  2. Step 2: Convert to fraction form
    64,386.64/88,853.40 = 39,236.14/x
  3. Step 3: Cross multiply
    64,386.64x = 88,853.40 × 39,236.14
  4. Step 4: Simplify right side
    64,386.64x = 3,486,264,441.88
  5. Step 5: Solve for x
    x = 3,486,264,441.88/64,386.64
  6. Step 6: Final answer
    x = 54,145.77

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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.