Home / 66,731.10-92,088.12-36,516.06

Finding the Fourth Proportional to 66,731.10, 92,088.12 and 36,516.06

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Solution

The fourth proportional to 66,731.10, 92,088.12 and 36,516.06 is: 50,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,731.10 : 92,088.12 = 36,516.06 : x
  2. Step 2: Convert to fraction form
    66,731.10/92,088.12 = 36,516.06/x
  3. Step 3: Cross multiply
    66,731.10x = 92,088.12 × 36,516.06
  4. Step 4: Simplify right side
    66,731.10x = 3,362,695,315.21
  5. Step 5: Solve for x
    x = 3,362,695,315.21/66,731.10
  6. Step 6: Final answer
    x = 50,391.73

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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.