Home / 118,590.99-163,656.85-64,874.85

Finding the Fourth Proportional to 118,590.99, 163,656.85 and 64,874.85

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Solution

The fourth proportional to 118,590.99, 163,656.85 and 64,874.85 is: 89,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,590.99 : 163,656.85 = 64,874.85 : x
  2. Step 2: Convert to fraction form
    118,590.99/163,656.85 = 64,874.85/x
  3. Step 3: Cross multiply
    118,590.99x = 163,656.85 × 64,874.85
  4. Step 4: Simplify right side
    118,590.99x = 10,617,213,676.32
  5. Step 5: Solve for x
    x = 10,617,213,676.32/118,590.99
  6. Step 6: Final answer
    x = 89,528.00

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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.