Home / 64,139.10-96,208.65-52,329.30

Finding the Fourth Proportional to 64,139.10, 96,208.65 and 52,329.30

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Solution

The fourth proportional to 64,139.10, 96,208.65 and 52,329.30 is: 78,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,139.10 : 96,208.65 = 52,329.30 : x
  2. Step 2: Convert to fraction form
    64,139.10/96,208.65 = 52,329.30/x
  3. Step 3: Cross multiply
    64,139.10x = 96,208.65 × 52,329.30
  4. Step 4: Simplify right side
    64,139.10x = 5,034,531,308.45
  5. Step 5: Solve for x
    x = 5,034,531,308.45/64,139.10
  6. Step 6: Final answer
    x = 78,493.95

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1.5x scale

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.