Home / 90,787.98-125,277.70-50,495.28

Finding the Fourth Proportional to 90,787.98, 125,277.70 and 50,495.28

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Solution

The fourth proportional to 90,787.98, 125,277.70 and 50,495.28 is: 69,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,787.98 : 125,277.70 = 50,495.28 : x
  2. Step 2: Convert to fraction form
    90,787.98/125,277.70 = 50,495.28/x
  3. Step 3: Cross multiply
    90,787.98x = 125,277.70 × 50,495.28
  4. Step 4: Simplify right side
    90,787.98x = 6,325,932,539.26
  5. Step 5: Solve for x
    x = 6,325,932,539.26/90,787.98
  6. Step 6: Final answer
    x = 69,678.08

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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.