Home / 67,536.09-93,210.12-40,315.23

Finding the Fourth Proportional to 67,536.09, 93,210.12 and 40,315.23

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Solution

The fourth proportional to 67,536.09, 93,210.12 and 40,315.23 is: 55,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,536.09 : 93,210.12 = 40,315.23 : x
  2. Step 2: Convert to fraction form
    67,536.09/93,210.12 = 40,315.23/x
  3. Step 3: Cross multiply
    67,536.09x = 93,210.12 × 40,315.23
  4. Step 4: Simplify right side
    67,536.09x = 3,757,787,426.13
  5. Step 5: Solve for x
    x = 3,757,787,426.13/67,536.09
  6. Step 6: Final answer
    x = 55,641.18

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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.