Home / 64,205.10-96,307.65-43,209.90

Finding the Fourth Proportional to 64,205.10, 96,307.65 and 43,209.90

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Solution

The fourth proportional to 64,205.10, 96,307.65 and 43,209.90 is: 64,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,205.10 : 96,307.65 = 43,209.90 : x
  2. Step 2: Convert to fraction form
    64,205.10/96,307.65 = 43,209.90/x
  3. Step 3: Cross multiply
    64,205.10x = 96,307.65 × 43,209.90
  4. Step 4: Simplify right side
    64,205.10x = 4,161,443,925.74
  5. Step 5: Solve for x
    x = 4,161,443,925.74/64,205.10
  6. Step 6: Final answer
    x = 64,814.85

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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.