Home / 84,165.64-126,416.60-52,631.80

Finding the Fourth Proportional to 84,165.64, 126,416.60 and 52,631.80

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Solution

The fourth proportional to 84,165.64, 126,416.60 and 52,631.80 is: 79,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,165.64 : 126,416.60 = 52,631.80 : x
  2. Step 2: Convert to fraction form
    84,165.64/126,416.60 = 52,631.80/x
  3. Step 3: Cross multiply
    84,165.64x = 126,416.60 × 52,631.80
  4. Step 4: Simplify right side
    84,165.64x = 6,653,533,207.88
  5. Step 5: Solve for x
    x = 6,653,533,207.88/84,165.64
  6. Step 6: Final answer
    x = 79,052.84

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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.