Home / 64,021.20-88,335-37,148.08

Finding the Fourth Proportional to 64,021.20, 88,335 and 37,148.08

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Solution

The fourth proportional to 64,021.20, 88,335 and 37,148.08 is: 51,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,021.20 : 88,335 = 37,148.08 : x
  2. Step 2: Convert to fraction form
    64,021.20/88,335 = 37,148.08/x
  3. Step 3: Cross multiply
    64,021.20x = 88,335 × 37,148.08
  4. Step 4: Simplify right side
    64,021.20x = 3,281,475,646.80
  5. Step 5: Solve for x
    x = 3,281,475,646.80/64,021.20
  6. Step 6: Final answer
    x = 51,256.08

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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.