Home / 64,395.47-88,857.28-35,714.78

Finding the Fourth Proportional to 64,395.47, 88,857.28 and 35,714.78

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Solution

The fourth proportional to 64,395.47, 88,857.28 and 35,714.78 is: 49,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,395.47 : 88,857.28 = 35,714.78 : x
  2. Step 2: Convert to fraction form
    64,395.47/88,857.28 = 35,714.78/x
  3. Step 3: Cross multiply
    64,395.47x = 88,857.28 × 35,714.78
  4. Step 4: Simplify right side
    64,395.47x = 3,173,518,339.45
  5. Step 5: Solve for x
    x = 3,173,518,339.45/64,395.47
  6. Step 6: Final answer
    x = 49,281.71

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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.