Home / 74,823.89-103,259.16-40,834.57

Finding the Fourth Proportional to 74,823.89, 103,259.16 and 40,834.57

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Solution

The fourth proportional to 74,823.89, 103,259.16 and 40,834.57 is: 56,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,823.89 : 103,259.16 = 40,834.57 : x
  2. Step 2: Convert to fraction form
    74,823.89/103,259.16 = 40,834.57/x
  3. Step 3: Cross multiply
    74,823.89x = 103,259.16 × 40,834.57
  4. Step 4: Simplify right side
    74,823.89x = 4,216,543,397.16
  5. Step 5: Solve for x
    x = 4,216,543,397.16/74,823.89
  6. Step 6: Final answer
    x = 56,352.90

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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.