Home / 92,917.42-128,215.16-54,668.57

Finding the Fourth Proportional to 92,917.42, 128,215.16 and 54,668.57

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Solution

The fourth proportional to 92,917.42, 128,215.16 and 54,668.57 is: 75,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,917.42 : 128,215.16 = 54,668.57 : x
  2. Step 2: Convert to fraction form
    92,917.42/128,215.16 = 54,668.57/x
  3. Step 3: Cross multiply
    92,917.42x = 128,215.16 × 54,668.57
  4. Step 4: Simplify right side
    92,917.42x = 7,009,338,535.10
  5. Step 5: Solve for x
    x = 7,009,338,535.10/92,917.42
  6. Step 6: Final answer
    x = 75,436.22

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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.