Home / 89,002.88-122,851.32-51,302.24

Finding the Fourth Proportional to 89,002.88, 122,851.32 and 51,302.24

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Solution

The fourth proportional to 89,002.88, 122,851.32 and 51,302.24 is: 70,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,002.88 : 122,851.32 = 51,302.24 : x
  2. Step 2: Convert to fraction form
    89,002.88/122,851.32 = 51,302.24/x
  3. Step 3: Cross multiply
    89,002.88x = 122,851.32 × 51,302.24
  4. Step 4: Simplify right side
    89,002.88x = 6,302,547,902.96
  5. Step 5: Solve for x
    x = 6,302,547,902.96/89,002.88
  6. Step 6: Final answer
    x = 70,812.85

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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.