Home / 53,790.83-74,226.15-31,125.31

Finding the Fourth Proportional to 53,790.83, 74,226.15 and 31,125.31

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Solution

The fourth proportional to 53,790.83, 74,226.15 and 31,125.31 is: 42,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.83 : 74,226.15 = 31,125.31 : x
  2. Step 2: Convert to fraction form
    53,790.83/74,226.15 = 31,125.31/x
  3. Step 3: Cross multiply
    53,790.83x = 74,226.15 × 31,125.31
  4. Step 4: Simplify right side
    53,790.83x = 2,310,311,402.10
  5. Step 5: Solve for x
    x = 2,310,311,402.10/53,790.83
  6. Step 6: Final answer
    x = 42,949.92

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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.