Home / 70,962.72-97,923.54-39,130.92

Finding the Fourth Proportional to 70,962.72, 97,923.54 and 39,130.92

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Solution

The fourth proportional to 70,962.72, 97,923.54 and 39,130.92 is: 53,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,962.72 : 97,923.54 = 39,130.92 : x
  2. Step 2: Convert to fraction form
    70,962.72/97,923.54 = 39,130.92/x
  3. Step 3: Cross multiply
    70,962.72x = 97,923.54 × 39,130.92
  4. Step 4: Simplify right side
    70,962.72x = 3,831,838,209.86
  5. Step 5: Solve for x
    x = 3,831,838,209.86/70,962.72
  6. Step 6: Final answer
    x = 53,997.90

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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.