Home / 65,643.06-98,496.75-40,676.46

Finding the Fourth Proportional to 65,643.06, 98,496.75 and 40,676.46

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Solution

The fourth proportional to 65,643.06, 98,496.75 and 40,676.46 is: 61,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,643.06 : 98,496.75 = 40,676.46 : x
  2. Step 2: Convert to fraction form
    65,643.06/98,496.75 = 40,676.46/x
  3. Step 3: Cross multiply
    65,643.06x = 98,496.75 × 40,676.46
  4. Step 4: Simplify right side
    65,643.06x = 4,006,499,111.51
  5. Step 5: Solve for x
    x = 4,006,499,111.51/65,643.06
  6. Step 6: Final answer
    x = 61,034.62

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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.