Home / 64,193.19-96,312.58-28,651.28

Finding the Fourth Proportional to 64,193.19, 96,312.58 and 28,651.28

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Solution

The fourth proportional to 64,193.19, 96,312.58 and 28,651.28 is: 42,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,193.19 : 96,312.58 = 28,651.28 : x
  2. Step 2: Convert to fraction form
    64,193.19/96,312.58 = 28,651.28/x
  3. Step 3: Cross multiply
    64,193.19x = 96,312.58 × 28,651.28
  4. Step 4: Simplify right side
    64,193.19x = 2,759,478,697.10
  5. Step 5: Solve for x
    x = 2,759,478,697.10/64,193.19
  6. Step 6: Final answer
    x = 42,987.09

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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.