Home / 70,131.08-96,776.64-38,293.52

Finding the Fourth Proportional to 70,131.08, 96,776.64 and 38,293.52

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Solution

The fourth proportional to 70,131.08, 96,776.64 and 38,293.52 is: 52,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,131.08 : 96,776.64 = 38,293.52 : x
  2. Step 2: Convert to fraction form
    70,131.08/96,776.64 = 38,293.52/x
  3. Step 3: Cross multiply
    70,131.08x = 96,776.64 × 38,293.52
  4. Step 4: Simplify right side
    70,131.08x = 3,705,918,199.37
  5. Step 5: Solve for x
    x = 3,705,918,199.37/70,131.08
  6. Step 6: Final answer
    x = 52,842.74

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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.