Home / 64,920.08-89,590.86-38,081.94

Finding the Fourth Proportional to 64,920.08, 89,590.86 and 38,081.94

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Solution

The fourth proportional to 64,920.08, 89,590.86 and 38,081.94 is: 52,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,920.08 : 89,590.86 = 38,081.94 : x
  2. Step 2: Convert to fraction form
    64,920.08/89,590.86 = 38,081.94/x
  3. Step 3: Cross multiply
    64,920.08x = 89,590.86 × 38,081.94
  4. Step 4: Simplify right side
    64,920.08x = 3,411,793,755.07
  5. Step 5: Solve for x
    x = 3,411,793,755.07/64,920.08
  6. Step 6: Final answer
    x = 52,553.76

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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.