Home / 66,767.95-92,139.80-36,555.23

Finding the Fourth Proportional to 66,767.95, 92,139.80 and 36,555.23

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Solution

The fourth proportional to 66,767.95, 92,139.80 and 36,555.23 is: 50,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,767.95 : 92,139.80 = 36,555.23 : x
  2. Step 2: Convert to fraction form
    66,767.95/92,139.80 = 36,555.23/x
  3. Step 3: Cross multiply
    66,767.95x = 92,139.80 × 36,555.23
  4. Step 4: Simplify right side
    66,767.95x = 3,368,190,937.68
  5. Step 5: Solve for x
    x = 3,368,190,937.68/66,767.95
  6. Step 6: Final answer
    x = 50,446.23

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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.