Home / 88,812.12-133,313-38,236.17

Finding the Fourth Proportional to 88,812.12, 133,313 and 38,236.17

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Solution

The fourth proportional to 88,812.12, 133,313 and 38,236.17 is: 57,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,812.12 : 133,313 = 38,236.17 : x
  2. Step 2: Convert to fraction form
    88,812.12/133,313 = 38,236.17/x
  3. Step 3: Cross multiply
    88,812.12x = 133,313 × 38,236.17
  4. Step 4: Simplify right side
    88,812.12x = 5,097,378,531.21
  5. Step 5: Solve for x
    x = 5,097,378,531.21/88,812.12
  6. Step 6: Final answer
    x = 57,395.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.