Home / 78,952.16-118,417.44-26,360.48

Finding the Fourth Proportional to 78,952.16, 118,417.44 and 26,360.48

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Solution

The fourth proportional to 78,952.16, 118,417.44 and 26,360.48 is: 39,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,952.16 : 118,417.44 = 26,360.48 : x
  2. Step 2: Convert to fraction form
    78,952.16/118,417.44 = 26,360.48/x
  3. Step 3: Cross multiply
    78,952.16x = 118,417.44 × 26,360.48
  4. Step 4: Simplify right side
    78,952.16x = 3,121,540,558.77
  5. Step 5: Solve for x
    x = 3,121,540,558.77/78,952.16
  6. Step 6: Final answer
    x = 39,537.11

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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.