Home / 78,595.13-117,907.28-26,005.07

Finding the Fourth Proportional to 78,595.13, 117,907.28 and 26,005.07

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Solution

The fourth proportional to 78,595.13, 117,907.28 and 26,005.07 is: 39,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,595.13 : 117,907.28 = 26,005.07 : x
  2. Step 2: Convert to fraction form
    78,595.13/117,907.28 = 26,005.07/x
  3. Step 3: Cross multiply
    78,595.13x = 117,907.28 × 26,005.07
  4. Step 4: Simplify right side
    78,595.13x = 3,066,186,350.35
  5. Step 5: Solve for x
    x = 3,066,186,350.35/78,595.13
  6. Step 6: Final answer
    x = 39,012.42

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1.5x scale

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.