Home / 68,130.24-93,922.29-47,924.40

Finding the Fourth Proportional to 68,130.24, 93,922.29 and 47,924.40

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Solution

The fourth proportional to 68,130.24, 93,922.29 and 47,924.40 is: 66,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,130.24 : 93,922.29 = 47,924.40 : x
  2. Step 2: Convert to fraction form
    68,130.24/93,922.29 = 47,924.40/x
  3. Step 3: Cross multiply
    68,130.24x = 93,922.29 × 47,924.40
  4. Step 4: Simplify right side
    68,130.24x = 4,501,169,394.88
  5. Step 5: Solve for x
    x = 4,501,169,394.88/68,130.24
  6. Step 6: Final answer
    x = 66,067.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.