Home / 70,263.69-96,965.34-38,434.65

Finding the Fourth Proportional to 70,263.69, 96,965.34 and 38,434.65

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Solution

The fourth proportional to 70,263.69, 96,965.34 and 38,434.65 is: 53,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,263.69 : 96,965.34 = 38,434.65 : x
  2. Step 2: Convert to fraction form
    70,263.69/96,965.34 = 38,434.65/x
  3. Step 3: Cross multiply
    70,263.69x = 96,965.34 × 38,434.65
  4. Step 4: Simplify right side
    70,263.69x = 3,726,828,905.03
  5. Step 5: Solve for x
    x = 3,726,828,905.03/70,263.69
  6. Step 6: Final answer
    x = 53,040.61

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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.