Home / 78,952.08-118,423.26-26,357.16

Finding the Fourth Proportional to 78,952.08, 118,423.26 and 26,357.16

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Solution

The fourth proportional to 78,952.08, 118,423.26 and 26,357.16 is: 39,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,952.08 : 118,423.26 = 26,357.16 : x
  2. Step 2: Convert to fraction form
    78,952.08/118,423.26 = 26,357.16/x
  3. Step 3: Cross multiply
    78,952.08x = 118,423.26 × 26,357.16
  4. Step 4: Simplify right side
    78,952.08x = 3,121,300,811.54
  5. Step 5: Solve for x
    x = 3,121,300,811.54/78,952.08
  6. Step 6: Final answer
    x = 39,534.12

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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.