Home / 48,699.83-67,195.09-31,702.25

Finding the Fourth Proportional to 48,699.83, 67,195.09 and 31,702.25

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Solution

The fourth proportional to 48,699.83, 67,195.09 and 31,702.25 is: 43,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,699.83 : 67,195.09 = 31,702.25 : x
  2. Step 2: Convert to fraction form
    48,699.83/67,195.09 = 31,702.25/x
  3. Step 3: Cross multiply
    48,699.83x = 67,195.09 × 31,702.25
  4. Step 4: Simplify right side
    48,699.83x = 2,130,235,749.57
  5. Step 5: Solve for x
    x = 2,130,235,749.57/48,699.83
  6. Step 6: Final answer
    x = 43,742.16

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1.5x scale

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.