Home / 74,723.23-112,073.10-20,675.17

Finding the Fourth Proportional to 74,723.23, 112,073.10 and 20,675.17

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Solution

The fourth proportional to 74,723.23, 112,073.10 and 20,675.17 is: 31,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,723.23 : 112,073.10 = 20,675.17 : x
  2. Step 2: Convert to fraction form
    74,723.23/112,073.10 = 20,675.17/x
  3. Step 3: Cross multiply
    74,723.23x = 112,073.10 × 20,675.17
  4. Step 4: Simplify right side
    74,723.23x = 2,317,130,394.93
  5. Step 5: Solve for x
    x = 2,317,130,394.93/74,723.23
  6. Step 6: Final answer
    x = 31,009.51

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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.