Home / 64,009.20-88,332.32-35,714.80

Finding the Fourth Proportional to 64,009.20, 88,332.32 and 35,714.80

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Solution

The fourth proportional to 64,009.20, 88,332.32 and 35,714.80 is: 49,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.20 : 88,332.32 = 35,714.80 : x
  2. Step 2: Convert to fraction form
    64,009.20/88,332.32 = 35,714.80/x
  3. Step 3: Cross multiply
    64,009.20x = 88,332.32 × 35,714.80
  4. Step 4: Simplify right side
    64,009.20x = 3,154,771,142.34
  5. Step 5: Solve for x
    x = 3,154,771,142.34/64,009.20
  6. Step 6: Final answer
    x = 49,286.21

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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.