Home / 98,055.54-135,312.66-55,613.16

Finding the Fourth Proportional to 98,055.54, 135,312.66 and 55,613.16

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Solution

The fourth proportional to 98,055.54, 135,312.66 and 55,613.16 is: 76,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,055.54 : 135,312.66 = 55,613.16 : x
  2. Step 2: Convert to fraction form
    98,055.54/135,312.66 = 55,613.16/x
  3. Step 3: Cross multiply
    98,055.54x = 135,312.66 × 55,613.16
  4. Step 4: Simplify right side
    98,055.54x = 7,525,164,610.61
  5. Step 5: Solve for x
    x = 7,525,164,610.61/98,055.54
  6. Step 6: Final answer
    x = 76,743.90

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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.