Home / 75,300.30-112,950.45-25,363.80

Finding the Fourth Proportional to 75,300.30, 112,950.45 and 25,363.80

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Solution

The fourth proportional to 75,300.30, 112,950.45 and 25,363.80 is: 38,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,300.30 : 112,950.45 = 25,363.80 : x
  2. Step 2: Convert to fraction form
    75,300.30/112,950.45 = 25,363.80/x
  3. Step 3: Cross multiply
    75,300.30x = 112,950.45 × 25,363.80
  4. Step 4: Simplify right side
    75,300.30x = 2,864,852,623.71
  5. Step 5: Solve for x
    x = 2,864,852,623.71/75,300.30
  6. Step 6: Final answer
    x = 38,045.70

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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.