Home / 70,936.62-97,890.04-38,670.58

Finding the Fourth Proportional to 70,936.62, 97,890.04 and 38,670.58

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Solution

The fourth proportional to 70,936.62, 97,890.04 and 38,670.58 is: 53,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,936.62 : 97,890.04 = 38,670.58 : x
  2. Step 2: Convert to fraction form
    70,936.62/97,890.04 = 38,670.58/x
  3. Step 3: Cross multiply
    70,936.62x = 97,890.04 × 38,670.58
  4. Step 4: Simplify right side
    70,936.62x = 3,785,464,623.02
  5. Step 5: Solve for x
    x = 3,785,464,623.02/70,936.62
  6. Step 6: Final answer
    x = 53,364.04

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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.