Home / 70,134.71-96,785.16-38,303.60

Finding the Fourth Proportional to 70,134.71, 96,785.16 and 38,303.60

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Solution

The fourth proportional to 70,134.71, 96,785.16 and 38,303.60 is: 52,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,134.71 : 96,785.16 = 38,303.60 : x
  2. Step 2: Convert to fraction form
    70,134.71/96,785.16 = 38,303.60/x
  3. Step 3: Cross multiply
    70,134.71x = 96,785.16 × 38,303.60
  4. Step 4: Simplify right side
    70,134.71x = 3,707,219,570.65
  5. Step 5: Solve for x
    x = 3,707,219,570.65/70,134.71
  6. Step 6: Final answer
    x = 52,858.56

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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.