Home / 51,094.08-76,509.90-31,312.71

Finding the Fourth Proportional to 51,094.08, 76,509.90 and 31,312.71

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Solution

The fourth proportional to 51,094.08, 76,509.90 and 31,312.71 is: 46,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,094.08 : 76,509.90 = 31,312.71 : x
  2. Step 2: Convert to fraction form
    51,094.08/76,509.90 = 31,312.71/x
  3. Step 3: Cross multiply
    51,094.08x = 76,509.90 × 31,312.71
  4. Step 4: Simplify right side
    51,094.08x = 2,395,732,310.83
  5. Step 5: Solve for x
    x = 2,395,732,310.83/51,094.08
  6. Step 6: Final answer
    x = 46,888.65

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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.