Home / 74,690.27-103,075.17-40,701.55

Finding the Fourth Proportional to 74,690.27, 103,075.17 and 40,701.55

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Solution

The fourth proportional to 74,690.27, 103,075.17 and 40,701.55 is: 56,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,690.27 : 103,075.17 = 40,701.55 : x
  2. Step 2: Convert to fraction form
    74,690.27/103,075.17 = 40,701.55/x
  3. Step 3: Cross multiply
    74,690.27x = 103,075.17 × 40,701.55
  4. Step 4: Simplify right side
    74,690.27x = 4,195,319,390.67
  5. Step 5: Solve for x
    x = 4,195,319,390.67/74,690.27
  6. Step 6: Final answer
    x = 56,169.56

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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.