Home / 73,968.04-101,819.46-64,520.20

Finding the Fourth Proportional to 73,968.04, 101,819.46 and 64,520.20

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Solution

The fourth proportional to 73,968.04, 101,819.46 and 64,520.20 is: 88,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,968.04 : 101,819.46 = 64,520.20 : x
  2. Step 2: Convert to fraction form
    73,968.04/101,819.46 = 64,520.20/x
  3. Step 3: Cross multiply
    73,968.04x = 101,819.46 × 64,520.20
  4. Step 4: Simplify right side
    73,968.04x = 6,569,411,923.09
  5. Step 5: Solve for x
    x = 6,569,411,923.09/73,968.04
  6. Step 6: Final answer
    x = 88,814.19

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1.5x scale

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.