Home / 65,252.28-97,870.08-20,875.32

Finding the Fourth Proportional to 65,252.28, 97,870.08 and 20,875.32

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Solution

The fourth proportional to 65,252.28, 97,870.08 and 20,875.32 is: 31,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,252.28 : 97,870.08 = 20,875.32 : x
  2. Step 2: Convert to fraction form
    65,252.28/97,870.08 = 20,875.32/x
  3. Step 3: Cross multiply
    65,252.28x = 97,870.08 × 20,875.32
  4. Step 4: Simplify right side
    65,252.28x = 2,043,069,238.43
  5. Step 5: Solve for x
    x = 2,043,069,238.43/65,252.28
  6. Step 6: Final answer
    x = 31,310.31

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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.