Home / 66,533.45-91,812.29-36,312.75

Finding the Fourth Proportional to 66,533.45, 91,812.29 and 36,312.75

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Solution

The fourth proportional to 66,533.45, 91,812.29 and 36,312.75 is: 50,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,533.45 : 91,812.29 = 36,312.75 : x
  2. Step 2: Convert to fraction form
    66,533.45/91,812.29 = 36,312.75/x
  3. Step 3: Cross multiply
    66,533.45x = 91,812.29 × 36,312.75
  4. Step 4: Simplify right side
    66,533.45x = 3,333,956,552.13
  5. Step 5: Solve for x
    x = 3,333,956,552.13/66,533.45
  6. Step 6: Final answer
    x = 50,109.48

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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.