Home / 64,140.08-88,511.40-35,845.70

Finding the Fourth Proportional to 64,140.08, 88,511.40 and 35,845.70

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Solution

The fourth proportional to 64,140.08, 88,511.40 and 35,845.70 is: 49,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,140.08 : 88,511.40 = 35,845.70 : x
  2. Step 2: Convert to fraction form
    64,140.08/88,511.40 = 35,845.70/x
  3. Step 3: Cross multiply
    64,140.08x = 88,511.40 × 35,845.70
  4. Step 4: Simplify right side
    64,140.08x = 3,172,752,648.42
  5. Step 5: Solve for x
    x = 3,172,752,648.42/64,140.08
  6. Step 6: Final answer
    x = 49,466.00

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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.