Home / 58,742.10-81,064.51-31,884.60

Finding the Fourth Proportional to 58,742.10, 81,064.51 and 31,884.60

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Solution

The fourth proportional to 58,742.10, 81,064.51 and 31,884.60 is: 44,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,742.10 : 81,064.51 = 31,884.60 : x
  2. Step 2: Convert to fraction form
    58,742.10/81,064.51 = 31,884.60/x
  3. Step 3: Cross multiply
    58,742.10x = 81,064.51 × 31,884.60
  4. Step 4: Simplify right side
    58,742.10x = 2,584,709,699.83
  5. Step 5: Solve for x
    x = 2,584,709,699.83/58,742.10
  6. Step 6: Final answer
    x = 44,000.98

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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.