Home / 74,887.11-112,275.18-35,398.08

Finding the Fourth Proportional to 74,887.11, 112,275.18 and 35,398.08

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Solution

The fourth proportional to 74,887.11, 112,275.18 and 35,398.08 is: 53,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,887.11 : 112,275.18 = 35,398.08 : x
  2. Step 2: Convert to fraction form
    74,887.11/112,275.18 = 35,398.08/x
  3. Step 3: Cross multiply
    74,887.11x = 112,275.18 × 35,398.08
  4. Step 4: Simplify right side
    74,887.11x = 3,974,325,803.65
  5. Step 5: Solve for x
    x = 3,974,325,803.65/74,887.11
  6. Step 6: Final answer
    x = 53,070.89

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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.