Home / 47,207.34-65,152.35-28,345.68

Finding the Fourth Proportional to 47,207.34, 65,152.35 and 28,345.68

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Solution

The fourth proportional to 47,207.34, 65,152.35 and 28,345.68 is: 39,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,207.34 : 65,152.35 = 28,345.68 : x
  2. Step 2: Convert to fraction form
    47,207.34/65,152.35 = 28,345.68/x
  3. Step 3: Cross multiply
    47,207.34x = 65,152.35 × 28,345.68
  4. Step 4: Simplify right side
    47,207.34x = 1,846,787,664.35
  5. Step 5: Solve for x
    x = 1,846,787,664.35/47,207.34
  6. Step 6: Final answer
    x = 39,120.77

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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.