Home / 89,824.32-134,699.36-30,664.74

Finding the Fourth Proportional to 89,824.32, 134,699.36 and 30,664.74

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Solution

The fourth proportional to 89,824.32, 134,699.36 and 30,664.74 is: 45,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,824.32 : 134,699.36 = 30,664.74 : x
  2. Step 2: Convert to fraction form
    89,824.32/134,699.36 = 30,664.74/x
  3. Step 3: Cross multiply
    89,824.32x = 134,699.36 × 30,664.74
  4. Step 4: Simplify right side
    89,824.32x = 4,130,520,852.57
  5. Step 5: Solve for x
    x = 4,130,520,852.57/89,824.32
  6. Step 6: Final answer
    x = 45,984.44

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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.