Home / 90,049.34-124,277.70-51,810.56

Finding the Fourth Proportional to 90,049.34, 124,277.70 and 51,810.56

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Solution

The fourth proportional to 90,049.34, 124,277.70 and 51,810.56 is: 71,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,049.34 : 124,277.70 = 51,810.56 : x
  2. Step 2: Convert to fraction form
    90,049.34/124,277.70 = 51,810.56/x
  3. Step 3: Cross multiply
    90,049.34x = 124,277.70 × 51,810.56
  4. Step 4: Simplify right side
    90,049.34x = 6,438,897,232.51
  5. Step 5: Solve for x
    x = 6,438,897,232.51/90,049.34
  6. Step 6: Final answer
    x = 71,504.10

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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.