Home / 64,514.64-96,681.20-51,308.40

Finding the Fourth Proportional to 64,514.64, 96,681.20 and 51,308.40

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Solution

The fourth proportional to 64,514.64, 96,681.20 and 51,308.40 is: 76,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,514.64 : 96,681.20 = 51,308.40 : x
  2. Step 2: Convert to fraction form
    64,514.64/96,681.20 = 51,308.40/x
  3. Step 3: Cross multiply
    64,514.64x = 96,681.20 × 51,308.40
  4. Step 4: Simplify right side
    64,514.64x = 4,960,557,682.08
  5. Step 5: Solve for x
    x = 4,960,557,682.08/64,514.64
  6. Step 6: Final answer
    x = 76,890.42

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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.