Home / 53,870.68-74,340.41-29,672.34

Finding the Fourth Proportional to 53,870.68, 74,340.41 and 29,672.34

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Solution

The fourth proportional to 53,870.68, 74,340.41 and 29,672.34 is: 40,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,870.68 : 74,340.41 = 29,672.34 : x
  2. Step 2: Convert to fraction form
    53,870.68/74,340.41 = 29,672.34/x
  3. Step 3: Cross multiply
    53,870.68x = 74,340.41 × 29,672.34
  4. Step 4: Simplify right side
    53,870.68x = 2,205,853,921.26
  5. Step 5: Solve for x
    x = 2,205,853,921.26/53,870.68
  6. Step 6: Final answer
    x = 40,947.21

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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.