Home / 78,925.52-118,389.31-26,335.01

Finding the Fourth Proportional to 78,925.52, 118,389.31 and 26,335.01

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Solution

The fourth proportional to 78,925.52, 118,389.31 and 26,335.01 is: 39,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,925.52 : 118,389.31 = 26,335.01 : x
  2. Step 2: Convert to fraction form
    78,925.52/118,389.31 = 26,335.01/x
  3. Step 3: Cross multiply
    78,925.52x = 118,389.31 × 26,335.01
  4. Step 4: Simplify right side
    78,925.52x = 3,117,783,201.54
  5. Step 5: Solve for x
    x = 3,117,783,201.54/78,925.52
  6. Step 6: Final answer
    x = 39,502.85

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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.