Home / 74,815.88-103,248.40-40,826.23

Finding the Fourth Proportional to 74,815.88, 103,248.40 and 40,826.23

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Solution

The fourth proportional to 74,815.88, 103,248.40 and 40,826.23 is: 56,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,815.88 : 103,248.40 = 40,826.23 : x
  2. Step 2: Convert to fraction form
    74,815.88/103,248.40 = 40,826.23/x
  3. Step 3: Cross multiply
    74,815.88x = 103,248.40 × 40,826.23
  4. Step 4: Simplify right side
    74,815.88x = 4,215,242,205.16
  5. Step 5: Solve for x
    x = 4,215,242,205.16/74,815.88
  6. Step 6: Final answer
    x = 56,341.55

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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.