Home / 70,498.09-97,286.69-38,667.11

Finding the Fourth Proportional to 70,498.09, 97,286.69 and 38,667.11

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Solution

The fourth proportional to 70,498.09, 97,286.69 and 38,667.11 is: 53,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,498.09 : 97,286.69 = 38,667.11 : x
  2. Step 2: Convert to fraction form
    70,498.09/97,286.69 = 38,667.11/x
  3. Step 3: Cross multiply
    70,498.09x = 97,286.69 × 38,667.11
  4. Step 4: Simplify right side
    70,498.09x = 3,761,795,483.65
  5. Step 5: Solve for x
    x = 3,761,795,483.65/70,498.09
  6. Step 6: Final answer
    x = 53,360.25

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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.