Home / 78,925.54-118,389.34-26,335.02

Finding the Fourth Proportional to 78,925.54, 118,389.34 and 26,335.02

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Solution

The fourth proportional to 78,925.54, 118,389.34 and 26,335.02 is: 39,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,925.54 : 118,389.34 = 26,335.02 : x
  2. Step 2: Convert to fraction form
    78,925.54/118,389.34 = 26,335.02/x
  3. Step 3: Cross multiply
    78,925.54x = 118,389.34 × 26,335.02
  4. Step 4: Simplify right side
    78,925.54x = 3,117,785,976.98
  5. Step 5: Solve for x
    x = 3,117,785,976.98/78,925.54
  6. Step 6: Final answer
    x = 39,502.88

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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.