Home / 70,122.64-96,771.48-38,293.20

Finding the Fourth Proportional to 70,122.64, 96,771.48 and 38,293.20

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Solution

The fourth proportional to 70,122.64, 96,771.48 and 38,293.20 is: 52,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,122.64 : 96,771.48 = 38,293.20 : x
  2. Step 2: Convert to fraction form
    70,122.64/96,771.48 = 38,293.20/x
  3. Step 3: Cross multiply
    70,122.64x = 96,771.48 × 38,293.20
  4. Step 4: Simplify right side
    70,122.64x = 3,705,689,637.94
  5. Step 5: Solve for x
    x = 3,705,689,637.94/70,122.64
  6. Step 6: Final answer
    x = 52,845.84

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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.