Home / 74,818.08-112,161.40-30,482.12

Finding the Fourth Proportional to 74,818.08, 112,161.40 and 30,482.12

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Solution

The fourth proportional to 74,818.08, 112,161.40 and 30,482.12 is: 45,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,818.08 : 112,161.40 = 30,482.12 : x
  2. Step 2: Convert to fraction form
    74,818.08/112,161.40 = 30,482.12/x
  3. Step 3: Cross multiply
    74,818.08x = 112,161.40 × 30,482.12
  4. Step 4: Simplify right side
    74,818.08x = 3,418,917,254.17
  5. Step 5: Solve for x
    x = 3,418,917,254.17/74,818.08
  6. Step 6: Final answer
    x = 45,696.40

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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.