Home / 98,989.48-136,599.60-58,707.04

Finding the Fourth Proportional to 98,989.48, 136,599.60 and 58,707.04

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Solution

The fourth proportional to 98,989.48, 136,599.60 and 58,707.04 is: 81,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,989.48 : 136,599.60 = 58,707.04 : x
  2. Step 2: Convert to fraction form
    98,989.48/136,599.60 = 58,707.04/x
  3. Step 3: Cross multiply
    98,989.48x = 136,599.60 × 58,707.04
  4. Step 4: Simplify right side
    98,989.48x = 8,019,358,181.18
  5. Step 5: Solve for x
    x = 8,019,358,181.18/98,989.48
  6. Step 6: Final answer
    x = 81,012.23

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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.