Home / 88,715.60-122,427.75-48,429.39

Finding the Fourth Proportional to 88,715.60, 122,427.75 and 48,429.39

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Solution

The fourth proportional to 88,715.60, 122,427.75 and 48,429.39 is: 66,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,715.60 : 122,427.75 = 48,429.39 : x
  2. Step 2: Convert to fraction form
    88,715.60/122,427.75 = 48,429.39/x
  3. Step 3: Cross multiply
    88,715.60x = 122,427.75 × 48,429.39
  4. Step 4: Simplify right side
    88,715.60x = 5,929,101,892.29
  5. Step 5: Solve for x
    x = 5,929,101,892.29/88,715.60
  6. Step 6: Final answer
    x = 66,832.68

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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.