Home / 66,533.20-91,802.10-38,233.42

Finding the Fourth Proportional to 66,533.20, 91,802.10 and 38,233.42

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Solution

The fourth proportional to 66,533.20, 91,802.10 and 38,233.42 is: 52,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,533.20 : 91,802.10 = 38,233.42 : x
  2. Step 2: Convert to fraction form
    66,533.20/91,802.10 = 38,233.42/x
  3. Step 3: Cross multiply
    66,533.20x = 91,802.10 × 38,233.42
  4. Step 4: Simplify right side
    66,533.20x = 3,509,908,246.18
  5. Step 5: Solve for x
    x = 3,509,908,246.18/66,533.20
  6. Step 6: Final answer
    x = 52,754.24

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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.