Home / 75,000.08-112,377.06-45,426.35

Finding the Fourth Proportional to 75,000.08, 112,377.06 and 45,426.35

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Solution

The fourth proportional to 75,000.08, 112,377.06 and 45,426.35 is: 68,064.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.08 : 112,377.06 = 45,426.35 : x
  2. Step 2: Convert to fraction form
    75,000.08/112,377.06 = 45,426.35/x
  3. Step 3: Cross multiply
    75,000.08x = 112,377.06 × 45,426.35
  4. Step 4: Simplify right side
    75,000.08x = 5,104,879,097.65
  5. Step 5: Solve for x
    x = 5,104,879,097.65/75,000.08
  6. Step 6: Final answer
    x = 68,064.99

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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.