Home / 70,919.26-97,868.07-39,088.20

Finding the Fourth Proportional to 70,919.26, 97,868.07 and 39,088.20

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Solution

The fourth proportional to 70,919.26, 97,868.07 and 39,088.20 is: 53,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,919.26 : 97,868.07 = 39,088.20 : x
  2. Step 2: Convert to fraction form
    70,919.26/97,868.07 = 39,088.20/x
  3. Step 3: Cross multiply
    70,919.26x = 97,868.07 × 39,088.20
  4. Step 4: Simplify right side
    70,919.26x = 3,825,486,693.77
  5. Step 5: Solve for x
    x = 3,825,486,693.77/70,919.26
  6. Step 6: Final answer
    x = 53,941.44

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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.