Home / 70,911.06-97,859.52-39,081.12

Finding the Fourth Proportional to 70,911.06, 97,859.52 and 39,081.12

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Solution

The fourth proportional to 70,911.06, 97,859.52 and 39,081.12 is: 53,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,911.06 : 97,859.52 = 39,081.12 : x
  2. Step 2: Convert to fraction form
    70,911.06/97,859.52 = 39,081.12/x
  3. Step 3: Cross multiply
    70,911.06x = 97,859.52 × 39,081.12
  4. Step 4: Simplify right side
    70,911.06x = 3,824,459,644.26
  5. Step 5: Solve for x
    x = 3,824,459,644.26/70,911.06
  6. Step 6: Final answer
    x = 53,933.19

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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.