Home / 70,434.13-105,475.94-49,275.12

Finding the Fourth Proportional to 70,434.13, 105,475.94 and 49,275.12

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Solution

The fourth proportional to 70,434.13, 105,475.94 and 49,275.12 is: 73,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,434.13 : 105,475.94 = 49,275.12 : x
  2. Step 2: Convert to fraction form
    70,434.13/105,475.94 = 49,275.12/x
  3. Step 3: Cross multiply
    70,434.13x = 105,475.94 × 49,275.12
  4. Step 4: Simplify right side
    70,434.13x = 5,197,339,749.77
  5. Step 5: Solve for x
    x = 5,197,339,749.77/70,434.13
  6. Step 6: Final answer
    x = 73,790.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.