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Finding the Fourth Proportional to 64,075.56, 96,115.95 and 21,984.58

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Solution

The fourth proportional to 64,075.56, 96,115.95 and 21,984.58 is: 32,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,075.56 : 96,115.95 = 21,984.58 : x
  2. Step 2: Convert to fraction form
    64,075.56/96,115.95 = 21,984.58/x
  3. Step 3: Cross multiply
    64,075.56x = 96,115.95 × 21,984.58
  4. Step 4: Simplify right side
    64,075.56x = 2,113,068,792.05
  5. Step 5: Solve for x
    x = 2,113,068,792.05/64,075.56
  6. Step 6: Final answer
    x = 32,977.77

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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.