Home / 71,068.06-98,072.40-40,852.59

Finding the Fourth Proportional to 71,068.06, 98,072.40 and 40,852.59

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Solution

The fourth proportional to 71,068.06, 98,072.40 and 40,852.59 is: 56,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,068.06 : 98,072.40 = 40,852.59 : x
  2. Step 2: Convert to fraction form
    71,068.06/98,072.40 = 40,852.59/x
  3. Step 3: Cross multiply
    71,068.06x = 98,072.40 × 40,852.59
  4. Step 4: Simplify right side
    71,068.06x = 4,006,511,547.52
  5. Step 5: Solve for x
    x = 4,006,511,547.52/71,068.06
  6. Step 6: Final answer
    x = 56,375.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.