Home / 98,743.14-136,210.10-60,521.18

Finding the Fourth Proportional to 98,743.14, 136,210.10 and 60,521.18

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Solution

The fourth proportional to 98,743.14, 136,210.10 and 60,521.18 is: 83,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,743.14 : 136,210.10 = 60,521.18 : x
  2. Step 2: Convert to fraction form
    98,743.14/136,210.10 = 60,521.18/x
  3. Step 3: Cross multiply
    98,743.14x = 136,210.10 × 60,521.18
  4. Step 4: Simplify right side
    98,743.14x = 8,243,595,979.92
  5. Step 5: Solve for x
    x = 8,243,595,979.92/98,743.14
  6. Step 6: Final answer
    x = 83,485.25

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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.