Home / 70,216.08-96,900.30-38,386.68

Finding the Fourth Proportional to 70,216.08, 96,900.30 and 38,386.68

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Solution

The fourth proportional to 70,216.08, 96,900.30 and 38,386.68 is: 52,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,216.08 : 96,900.30 = 38,386.68 : x
  2. Step 2: Convert to fraction form
    70,216.08/96,900.30 = 38,386.68/x
  3. Step 3: Cross multiply
    70,216.08x = 96,900.30 × 38,386.68
  4. Step 4: Simplify right side
    70,216.08x = 3,719,680,808.00
  5. Step 5: Solve for x
    x = 3,719,680,808.00/70,216.08
  6. Step 6: Final answer
    x = 52,974.77

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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.