Home / 63,155.31-87,153.05-36,297.12

Finding the Fourth Proportional to 63,155.31, 87,153.05 and 36,297.12

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Solution

The fourth proportional to 63,155.31, 87,153.05 and 36,297.12 is: 50,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,155.31 : 87,153.05 = 36,297.12 : x
  2. Step 2: Convert to fraction form
    63,155.31/87,153.05 = 36,297.12/x
  3. Step 3: Cross multiply
    63,155.31x = 87,153.05 × 36,297.12
  4. Step 4: Simplify right side
    63,155.31x = 3,163,404,927.61
  5. Step 5: Solve for x
    x = 3,163,404,927.61/63,155.31
  6. Step 6: Final answer
    x = 50,089.30

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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.