Home / 66,336.92-91,547.21-36,122.76

Finding the Fourth Proportional to 66,336.92, 91,547.21 and 36,122.76

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Solution

The fourth proportional to 66,336.92, 91,547.21 and 36,122.76 is: 49,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,336.92 : 91,547.21 = 36,122.76 : x
  2. Step 2: Convert to fraction form
    66,336.92/91,547.21 = 36,122.76/x
  3. Step 3: Cross multiply
    66,336.92x = 91,547.21 × 36,122.76
  4. Step 4: Simplify right side
    66,336.92x = 3,306,937,985.81
  5. Step 5: Solve for x
    x = 3,306,937,985.81/66,336.92
  6. Step 6: Final answer
    x = 49,850.64

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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.