Home / 89,920.52-124,090.33-49,634.30

Finding the Fourth Proportional to 89,920.52, 124,090.33 and 49,634.30

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Solution

The fourth proportional to 89,920.52, 124,090.33 and 49,634.30 is: 68,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,920.52 : 124,090.33 = 49,634.30 : x
  2. Step 2: Convert to fraction form
    89,920.52/124,090.33 = 49,634.30/x
  3. Step 3: Cross multiply
    89,920.52x = 124,090.33 × 49,634.30
  4. Step 4: Simplify right side
    89,920.52x = 6,159,136,666.32
  5. Step 5: Solve for x
    x = 6,159,136,666.32/89,920.52
  6. Step 6: Final answer
    x = 68,495.34

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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.