Home / 53,117.40-79,676.10-49,618.20

Finding the Fourth Proportional to 53,117.40, 79,676.10 and 49,618.20

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Solution

The fourth proportional to 53,117.40, 79,676.10 and 49,618.20 is: 74,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.40 : 79,676.10 = 49,618.20 : x
  2. Step 2: Convert to fraction form
    53,117.40/79,676.10 = 49,618.20/x
  3. Step 3: Cross multiply
    53,117.40x = 79,676.10 × 49,618.20
  4. Step 4: Simplify right side
    53,117.40x = 3,953,384,665.02
  5. Step 5: Solve for x
    x = 3,953,384,665.02/53,117.40
  6. Step 6: Final answer
    x = 74,427.30

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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.