Home / 75,211.65-112,798.98-30,851.06

Finding the Fourth Proportional to 75,211.65, 112,798.98 and 30,851.06

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Solution

The fourth proportional to 75,211.65, 112,798.98 and 30,851.06 is: 46,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,211.65 : 112,798.98 = 30,851.06 : x
  2. Step 2: Convert to fraction form
    75,211.65/112,798.98 = 30,851.06/x
  3. Step 3: Cross multiply
    75,211.65x = 112,798.98 × 30,851.06
  4. Step 4: Simplify right side
    75,211.65x = 3,479,967,535.92
  5. Step 5: Solve for x
    x = 3,479,967,535.92/75,211.65
  6. Step 6: Final answer
    x = 46,269.00

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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.