Home / 98,962.13-136,576.37-54,258.77

Finding the Fourth Proportional to 98,962.13, 136,576.37 and 54,258.77

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Solution

The fourth proportional to 98,962.13, 136,576.37 and 54,258.77 is: 74,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,962.13 : 136,576.37 = 54,258.77 : x
  2. Step 2: Convert to fraction form
    98,962.13/136,576.37 = 54,258.77/x
  3. Step 3: Cross multiply
    98,962.13x = 136,576.37 × 54,258.77
  4. Step 4: Simplify right side
    98,962.13x = 7,410,465,300.03
  5. Step 5: Solve for x
    x = 7,410,465,300.03/98,962.13
  6. Step 6: Final answer
    x = 74,881.83

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1.5x scale

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.