Home / 98,712.36-136,219.14-60,465.96

Finding the Fourth Proportional to 98,712.36, 136,219.14 and 60,465.96

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Solution

The fourth proportional to 98,712.36, 136,219.14 and 60,465.96 is: 83,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,712.36 : 136,219.14 = 60,465.96 : x
  2. Step 2: Convert to fraction form
    98,712.36/136,219.14 = 60,465.96/x
  3. Step 3: Cross multiply
    98,712.36x = 136,219.14 × 60,465.96
  4. Step 4: Simplify right side
    98,712.36x = 8,236,621,070.47
  5. Step 5: Solve for x
    x = 8,236,621,070.47/98,712.36
  6. Step 6: Final answer
    x = 83,440.63

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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.