Home / 53,665.15-74,054.20-29,789.95

Finding the Fourth Proportional to 53,665.15, 74,054.20 and 29,789.95

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Solution

The fourth proportional to 53,665.15, 74,054.20 and 29,789.95 is: 41,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,665.15 : 74,054.20 = 29,789.95 : x
  2. Step 2: Convert to fraction form
    53,665.15/74,054.20 = 29,789.95/x
  3. Step 3: Cross multiply
    53,665.15x = 74,054.20 × 29,789.95
  4. Step 4: Simplify right side
    53,665.15x = 2,206,070,915.29
  5. Step 5: Solve for x
    x = 2,206,070,915.29/53,665.15
  6. Step 6: Final answer
    x = 41,108.07

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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.