Home / 66,886.55-92,304.47-40,030.19

Finding the Fourth Proportional to 66,886.55, 92,304.47 and 40,030.19

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Solution

The fourth proportional to 66,886.55, 92,304.47 and 40,030.19 is: 55,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,886.55 : 92,304.47 = 40,030.19 : x
  2. Step 2: Convert to fraction form
    66,886.55/92,304.47 = 40,030.19/x
  3. Step 3: Cross multiply
    66,886.55x = 92,304.47 × 40,030.19
  4. Step 4: Simplify right side
    66,886.55x = 3,694,965,471.95
  5. Step 5: Solve for x
    x = 3,694,965,471.95/66,886.55
  6. Step 6: Final answer
    x = 55,242.28

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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.