Home / 48,315.02-72,464.16-12,776.72

Finding the Fourth Proportional to 48,315.02, 72,464.16 and 12,776.72

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Solution

The fourth proportional to 48,315.02, 72,464.16 and 12,776.72 is: 19,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,315.02 : 72,464.16 = 12,776.72 : x
  2. Step 2: Convert to fraction form
    48,315.02/72,464.16 = 12,776.72/x
  3. Step 3: Cross multiply
    48,315.02x = 72,464.16 × 12,776.72
  4. Step 4: Simplify right side
    48,315.02x = 925,854,282.36
  5. Step 5: Solve for x
    x = 925,854,282.36/48,315.02
  6. Step 6: Final answer
    x = 19,162.87

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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.