Home / 98,610.49-136,082.40-53,288.46

Finding the Fourth Proportional to 98,610.49, 136,082.40 and 53,288.46

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Solution

The fourth proportional to 98,610.49, 136,082.40 and 53,288.46 is: 73,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,610.49 : 136,082.40 = 53,288.46 : x
  2. Step 2: Convert to fraction form
    98,610.49/136,082.40 = 53,288.46/x
  3. Step 3: Cross multiply
    98,610.49x = 136,082.40 × 53,288.46
  4. Step 4: Simplify right side
    98,610.49x = 7,251,621,529.10
  5. Step 5: Solve for x
    x = 7,251,621,529.10/98,610.49
  6. Step 6: Final answer
    x = 73,538.03

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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.