Home / 90,832.92-125,278.40-59,012.08

Finding the Fourth Proportional to 90,832.92, 125,278.40 and 59,012.08

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Solution

The fourth proportional to 90,832.92, 125,278.40 and 59,012.08 is: 81,390.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,832.92 : 125,278.40 = 59,012.08 : x
  2. Step 2: Convert to fraction form
    90,832.92/125,278.40 = 59,012.08/x
  3. Step 3: Cross multiply
    90,832.92x = 125,278.40 × 59,012.08
  4. Step 4: Simplify right side
    90,832.92x = 7,392,938,963.07
  5. Step 5: Solve for x
    x = 7,392,938,963.07/90,832.92
  6. Step 6: Final answer
    x = 81,390.52

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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.