Home / 98,424.03-147,599.82-77,405.14

Finding the Fourth Proportional to 98,424.03, 147,599.82 and 77,405.14

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Solution

The fourth proportional to 98,424.03, 147,599.82 and 77,405.14 is: 116,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,424.03 : 147,599.82 = 77,405.14 : x
  2. Step 2: Convert to fraction form
    98,424.03/147,599.82 = 77,405.14/x
  3. Step 3: Cross multiply
    98,424.03x = 147,599.82 × 77,405.14
  4. Step 4: Simplify right side
    98,424.03x = 11,424,984,731.07
  5. Step 5: Solve for x
    x = 11,424,984,731.07/98,424.03
  6. Step 6: Final answer
    x = 116,079.22

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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.