Home / 92,927.13-128,231.48-51,535.46

Finding the Fourth Proportional to 92,927.13, 128,231.48 and 51,535.46

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Solution

The fourth proportional to 92,927.13, 128,231.48 and 51,535.46 is: 71,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,927.13 : 128,231.48 = 51,535.46 : x
  2. Step 2: Convert to fraction form
    92,927.13/128,231.48 = 51,535.46/x
  3. Step 3: Cross multiply
    92,927.13x = 128,231.48 × 51,535.46
  4. Step 4: Simplify right side
    92,927.13x = 6,608,467,667.12
  5. Step 5: Solve for x
    x = 6,608,467,667.12/92,927.13
  6. Step 6: Final answer
    x = 71,114.51

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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.