Home / 78,590.14-117,906.95-26,036.53

Finding the Fourth Proportional to 78,590.14, 117,906.95 and 26,036.53

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Solution

The fourth proportional to 78,590.14, 117,906.95 and 26,036.53 is: 39,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,590.14 : 117,906.95 = 26,036.53 : x
  2. Step 2: Convert to fraction form
    78,590.14/117,906.95 = 26,036.53/x
  3. Step 3: Cross multiply
    78,590.14x = 117,906.95 × 26,036.53
  4. Step 4: Simplify right side
    78,590.14x = 3,069,887,840.88
  5. Step 5: Solve for x
    x = 3,069,887,840.88/78,590.14
  6. Step 6: Final answer
    x = 39,062.00

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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.