Home / 71,518.04-107,235.30-21,583.16

Finding the Fourth Proportional to 71,518.04, 107,235.30 and 21,583.16

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Solution

The fourth proportional to 71,518.04, 107,235.30 and 21,583.16 is: 32,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,518.04 : 107,235.30 = 21,583.16 : x
  2. Step 2: Convert to fraction form
    71,518.04/107,235.30 = 21,583.16/x
  3. Step 3: Cross multiply
    71,518.04x = 107,235.30 × 21,583.16
  4. Step 4: Simplify right side
    71,518.04x = 2,314,476,637.55
  5. Step 5: Solve for x
    x = 2,314,476,637.55/71,518.04
  6. Step 6: Final answer
    x = 32,362.14

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1.5x scale

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.