Home / 74,790.24-112,152.48-28,010.31

Finding the Fourth Proportional to 74,790.24, 112,152.48 and 28,010.31

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Solution

The fourth proportional to 74,790.24, 112,152.48 and 28,010.31 is: 42,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790.24 : 112,152.48 = 28,010.31 : x
  2. Step 2: Convert to fraction form
    74,790.24/112,152.48 = 28,010.31/x
  3. Step 3: Cross multiply
    74,790.24x = 112,152.48 × 28,010.31
  4. Step 4: Simplify right side
    74,790.24x = 3,141,425,732.07
  5. Step 5: Solve for x
    x = 3,141,425,732.07/74,790.24
  6. Step 6: Final answer
    x = 42,003.15

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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.