Home / 66,280.23-91,465.61-36,064.76

Finding the Fourth Proportional to 66,280.23, 91,465.61 and 36,064.76

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Solution

The fourth proportional to 66,280.23, 91,465.61 and 36,064.76 is: 49,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,280.23 : 91,465.61 = 36,064.76 : x
  2. Step 2: Convert to fraction form
    66,280.23/91,465.61 = 36,064.76/x
  3. Step 3: Cross multiply
    66,280.23x = 91,465.61 × 36,064.76
  4. Step 4: Simplify right side
    66,280.23x = 3,298,684,635.25
  5. Step 5: Solve for x
    x = 3,298,684,635.25/66,280.23
  6. Step 6: Final answer
    x = 49,768.76

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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.