Home / 64,530.40-96,822.96-31,275.20

Finding the Fourth Proportional to 64,530.40, 96,822.96 and 31,275.20

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Solution

The fourth proportional to 64,530.40, 96,822.96 and 31,275.20 is: 46,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,530.40 : 96,822.96 = 31,275.20 : x
  2. Step 2: Convert to fraction form
    64,530.40/96,822.96 = 31,275.20/x
  3. Step 3: Cross multiply
    64,530.40x = 96,822.96 × 31,275.20
  4. Step 4: Simplify right side
    64,530.40x = 3,028,157,438.59
  5. Step 5: Solve for x
    x = 3,028,157,438.59/64,530.40
  6. Step 6: Final answer
    x = 46,926.06

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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.