Home / 64,651.89-96,977.95-20,282.14

Finding the Fourth Proportional to 64,651.89, 96,977.95 and 20,282.14

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Solution

The fourth proportional to 64,651.89, 96,977.95 and 20,282.14 is: 30,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,651.89 : 96,977.95 = 20,282.14 : x
  2. Step 2: Convert to fraction form
    64,651.89/96,977.95 = 20,282.14/x
  3. Step 3: Cross multiply
    64,651.89x = 96,977.95 × 20,282.14
  4. Step 4: Simplify right side
    64,651.89x = 1,966,920,065.66
  5. Step 5: Solve for x
    x = 1,966,920,065.66/64,651.89
  6. Step 6: Final answer
    x = 30,423.24

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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.