Home / 61,284.29-91,879.70-31,683.24

Finding the Fourth Proportional to 61,284.29, 91,879.70 and 31,683.24

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Solution

The fourth proportional to 61,284.29, 91,879.70 and 31,683.24 is: 47,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,284.29 : 91,879.70 = 31,683.24 : x
  2. Step 2: Convert to fraction form
    61,284.29/91,879.70 = 31,683.24/x
  3. Step 3: Cross multiply
    61,284.29x = 91,879.70 × 31,683.24
  4. Step 4: Simplify right side
    61,284.29x = 2,911,046,427.81
  5. Step 5: Solve for x
    x = 2,911,046,427.81/61,284.29
  6. Step 6: Final answer
    x = 47,500.70

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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.