Home / 97,108.39-134,009.79-54,087.53

Finding the Fourth Proportional to 97,108.39, 134,009.79 and 54,087.53

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Solution

The fourth proportional to 97,108.39, 134,009.79 and 54,087.53 is: 74,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,108.39 : 134,009.79 = 54,087.53 : x
  2. Step 2: Convert to fraction form
    97,108.39/134,009.79 = 54,087.53/x
  3. Step 3: Cross multiply
    97,108.39x = 134,009.79 × 54,087.53
  4. Step 4: Simplify right side
    97,108.39x = 7,248,258,536.92
  5. Step 5: Solve for x
    x = 7,248,258,536.92/97,108.39
  6. Step 6: Final answer
    x = 74,640.91

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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.