Home / 88,715.48-122,430.26-48,431.39

Finding the Fourth Proportional to 88,715.48, 122,430.26 and 48,431.39

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Solution

The fourth proportional to 88,715.48, 122,430.26 and 48,431.39 is: 66,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,715.48 : 122,430.26 = 48,431.39 : x
  2. Step 2: Convert to fraction form
    88,715.48/122,430.26 = 48,431.39/x
  3. Step 3: Cross multiply
    88,715.48x = 122,430.26 × 48,431.39
  4. Step 4: Simplify right side
    88,715.48x = 5,929,467,669.86
  5. Step 5: Solve for x
    x = 5,929,467,669.86/88,715.48
  6. Step 6: Final answer
    x = 66,836.90

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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.