Home / 46,405.67-64,000.28-31,278.44

Finding the Fourth Proportional to 46,405.67, 64,000.28 and 31,278.44

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Solution

The fourth proportional to 46,405.67, 64,000.28 and 31,278.44 is: 43,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,405.67 : 64,000.28 = 31,278.44 : x
  2. Step 2: Convert to fraction form
    46,405.67/64,000.28 = 31,278.44/x
  3. Step 3: Cross multiply
    46,405.67x = 64,000.28 × 31,278.44
  4. Step 4: Simplify right side
    46,405.67x = 2,001,829,156.16
  5. Step 5: Solve for x
    x = 2,001,829,156.16/46,405.67
  6. Step 6: Final answer
    x = 43,137.60

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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.