Home / 64,358.35-88,814.55-39,207.85

Finding the Fourth Proportional to 64,358.35, 88,814.55 and 39,207.85

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Solution

The fourth proportional to 64,358.35, 88,814.55 and 39,207.85 is: 54,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,358.35 : 88,814.55 = 39,207.85 : x
  2. Step 2: Convert to fraction form
    64,358.35/88,814.55 = 39,207.85/x
  3. Step 3: Cross multiply
    64,358.35x = 88,814.55 × 39,207.85
  4. Step 4: Simplify right side
    64,358.35x = 3,482,227,554.22
  5. Step 5: Solve for x
    x = 3,482,227,554.22/64,358.35
  6. Step 6: Final answer
    x = 54,106.85

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1.5x scale

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.