Home / 70,051.68-96,667.36-39,844.35

Finding the Fourth Proportional to 70,051.68, 96,667.36 and 39,844.35

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Solution

The fourth proportional to 70,051.68, 96,667.36 and 39,844.35 is: 54,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,051.68 : 96,667.36 = 39,844.35 : x
  2. Step 2: Convert to fraction form
    70,051.68/96,667.36 = 39,844.35/x
  3. Step 3: Cross multiply
    70,051.68x = 96,667.36 × 39,844.35
  4. Step 4: Simplify right side
    70,051.68x = 3,851,648,125.42
  5. Step 5: Solve for x
    x = 3,851,648,125.42/70,051.68
  6. Step 6: Final answer
    x = 54,982.95

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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.