Home / 66,276.09-91,460.07-36,061.05

Finding the Fourth Proportional to 66,276.09, 91,460.07 and 36,061.05

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Solution

The fourth proportional to 66,276.09, 91,460.07 and 36,061.05 is: 49,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,276.09 : 91,460.07 = 36,061.05 : x
  2. Step 2: Convert to fraction form
    66,276.09/91,460.07 = 36,061.05/x
  3. Step 3: Cross multiply
    66,276.09x = 91,460.07 × 36,061.05
  4. Step 4: Simplify right side
    66,276.09x = 3,298,146,157.27
  5. Step 5: Solve for x
    x = 3,298,146,157.27/66,276.09
  6. Step 6: Final answer
    x = 49,763.74

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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.