Home / 97,877.20-146,848.20-31,327.60

Finding the Fourth Proportional to 97,877.20, 146,848.20 and 31,327.60

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Solution

The fourth proportional to 97,877.20, 146,848.20 and 31,327.60 is: 47,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,877.20 : 146,848.20 = 31,327.60 : x
  2. Step 2: Convert to fraction form
    97,877.20/146,848.20 = 31,327.60/x
  3. Step 3: Cross multiply
    97,877.20x = 146,848.20 × 31,327.60
  4. Step 4: Simplify right side
    97,877.20x = 4,600,401,670.32
  5. Step 5: Solve for x
    x = 4,600,401,670.32/97,877.20
  6. Step 6: Final answer
    x = 47,001.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.