Home / 64,259.20-96,388.80-57,714.40

Finding the Fourth Proportional to 64,259.20, 96,388.80 and 57,714.40

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Solution

The fourth proportional to 64,259.20, 96,388.80 and 57,714.40 is: 86,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,259.20 : 96,388.80 = 57,714.40 : x
  2. Step 2: Convert to fraction form
    64,259.20/96,388.80 = 57,714.40/x
  3. Step 3: Cross multiply
    64,259.20x = 96,388.80 × 57,714.40
  4. Step 4: Simplify right side
    64,259.20x = 5,563,021,758.72
  5. Step 5: Solve for x
    x = 5,563,021,758.72/64,259.20
  6. Step 6: Final answer
    x = 86,571.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.