Home / 88,989.55-122,805.63-48,703.29

Finding the Fourth Proportional to 88,989.55, 122,805.63 and 48,703.29

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Solution

The fourth proportional to 88,989.55, 122,805.63 and 48,703.29 is: 67,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,989.55 : 122,805.63 = 48,703.29 : x
  2. Step 2: Convert to fraction form
    88,989.55/122,805.63 = 48,703.29/x
  3. Step 3: Cross multiply
    88,989.55x = 122,805.63 × 48,703.29
  4. Step 4: Simplify right side
    88,989.55x = 5,981,038,211.52
  5. Step 5: Solve for x
    x = 5,981,038,211.52/88,989.55
  6. Step 6: Final answer
    x = 67,210.57

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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.