Home / 66,690.19-92,031.16-36,475.42

Finding the Fourth Proportional to 66,690.19, 92,031.16 and 36,475.42

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Solution

The fourth proportional to 66,690.19, 92,031.16 and 36,475.42 is: 50,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,690.19 : 92,031.16 = 36,475.42 : x
  2. Step 2: Convert to fraction form
    66,690.19/92,031.16 = 36,475.42/x
  3. Step 3: Cross multiply
    66,690.19x = 92,031.16 × 36,475.42
  4. Step 4: Simplify right side
    66,690.19x = 3,356,875,214.09
  5. Step 5: Solve for x
    x = 3,356,875,214.09/66,690.19
  6. Step 6: Final answer
    x = 50,335.37

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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.