Home / 64,916.40-97,359.57-20,534.88

Finding the Fourth Proportional to 64,916.40, 97,359.57 and 20,534.88

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Solution

The fourth proportional to 64,916.40, 97,359.57 and 20,534.88 is: 30,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,916.40 : 97,359.57 = 20,534.88 : x
  2. Step 2: Convert to fraction form
    64,916.40/97,359.57 = 20,534.88/x
  3. Step 3: Cross multiply
    64,916.40x = 97,359.57 × 20,534.88
  4. Step 4: Simplify right side
    64,916.40x = 1,999,267,451.90
  5. Step 5: Solve for x
    x = 1,999,267,451.90/64,916.40
  6. Step 6: Final answer
    x = 30,797.57

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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.