Home / 53,676.23-74,142.92-40,851.50

Finding the Fourth Proportional to 53,676.23, 74,142.92 and 40,851.50

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Solution

The fourth proportional to 53,676.23, 74,142.92 and 40,851.50 is: 56,428.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,676.23 : 74,142.92 = 40,851.50 : x
  2. Step 2: Convert to fraction form
    53,676.23/74,142.92 = 40,851.50/x
  3. Step 3: Cross multiply
    53,676.23x = 74,142.92 × 40,851.50
  4. Step 4: Simplify right side
    53,676.23x = 3,028,849,292.12
  5. Step 5: Solve for x
    x = 3,028,849,292.12/53,676.23
  6. Step 6: Final answer
    x = 56,428.13

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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.