Home / 90,970.90-125,539.37-50,682.17

Finding the Fourth Proportional to 90,970.90, 125,539.37 and 50,682.17

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Solution

The fourth proportional to 90,970.90, 125,539.37 and 50,682.17 is: 69,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,970.90 : 125,539.37 = 50,682.17 : x
  2. Step 2: Convert to fraction form
    90,970.90/125,539.37 = 50,682.17/x
  3. Step 3: Cross multiply
    90,970.90x = 125,539.37 × 50,682.17
  4. Step 4: Simplify right side
    90,970.90x = 6,362,607,942.53
  5. Step 5: Solve for x
    x = 6,362,607,942.53/90,970.90
  6. Step 6: Final answer
    x = 69,941.14

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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.