Home / 70,707.02-97,575.70-38,878.06

Finding the Fourth Proportional to 70,707.02, 97,575.70 and 38,878.06

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Solution

The fourth proportional to 70,707.02, 97,575.70 and 38,878.06 is: 53,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,707.02 : 97,575.70 = 38,878.06 : x
  2. Step 2: Convert to fraction form
    70,707.02/97,575.70 = 38,878.06/x
  3. Step 3: Cross multiply
    70,707.02x = 97,575.70 × 38,878.06
  4. Step 4: Simplify right side
    70,707.02x = 3,793,553,919.14
  5. Step 5: Solve for x
    x = 3,793,553,919.14/70,707.02
  6. Step 6: Final answer
    x = 53,651.73

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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.