Home / 75,715.15-113,447.16-46,043.23

Finding the Fourth Proportional to 75,715.15, 113,447.16 and 46,043.23

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Solution

The fourth proportional to 75,715.15, 113,447.16 and 46,043.23 is: 68,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,715.15 : 113,447.16 = 46,043.23 : x
  2. Step 2: Convert to fraction form
    75,715.15/113,447.16 = 46,043.23/x
  3. Step 3: Cross multiply
    75,715.15x = 113,447.16 × 46,043.23
  4. Step 4: Simplify right side
    75,715.15x = 5,223,473,113.49
  5. Step 5: Solve for x
    x = 5,223,473,113.49/75,715.15
  6. Step 6: Final answer
    x = 68,988.48

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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.