Home / 70,704.12-97,569.19-38,872.77

Finding the Fourth Proportional to 70,704.12, 97,569.19 and 38,872.77

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Solution

The fourth proportional to 70,704.12, 97,569.19 and 38,872.77 is: 53,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,704.12 : 97,569.19 = 38,872.77 : x
  2. Step 2: Convert to fraction form
    70,704.12/97,569.19 = 38,872.77/x
  3. Step 3: Cross multiply
    70,704.12x = 97,569.19 × 38,872.77
  4. Step 4: Simplify right side
    70,704.12x = 3,792,784,925.88
  5. Step 5: Solve for x
    x = 3,792,784,925.88/70,704.12
  6. Step 6: Final answer
    x = 53,643.06

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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.