Home / 56,780.10-78,364.08-32,590.62

Finding the Fourth Proportional to 56,780.10, 78,364.08 and 32,590.62

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Solution

The fourth proportional to 56,780.10, 78,364.08 and 32,590.62 is: 44,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,780.10 : 78,364.08 = 32,590.62 : x
  2. Step 2: Convert to fraction form
    56,780.10/78,364.08 = 32,590.62/x
  3. Step 3: Cross multiply
    56,780.10x = 78,364.08 × 32,590.62
  4. Step 4: Simplify right side
    56,780.10x = 2,553,933,952.93
  5. Step 5: Solve for x
    x = 2,553,933,952.93/56,780.10
  6. Step 6: Final answer
    x = 44,979.38

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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.