Home / 53,726.64-74,138.42-31,067.10

Finding the Fourth Proportional to 53,726.64, 74,138.42 and 31,067.10

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Solution

The fourth proportional to 53,726.64, 74,138.42 and 31,067.10 is: 42,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,726.64 : 74,138.42 = 31,067.10 : x
  2. Step 2: Convert to fraction form
    53,726.64/74,138.42 = 31,067.10/x
  3. Step 3: Cross multiply
    53,726.64x = 74,138.42 × 31,067.10
  4. Step 4: Simplify right side
    53,726.64x = 2,303,265,552.65
  5. Step 5: Solve for x
    x = 2,303,265,552.65/53,726.64
  6. Step 6: Final answer
    x = 42,870.08

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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.