Home / 90,810.06-125,314.73-49,970.37

Finding the Fourth Proportional to 90,810.06, 125,314.73 and 49,970.37

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Solution

The fourth proportional to 90,810.06, 125,314.73 and 49,970.37 is: 68,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,810.06 : 125,314.73 = 49,970.37 : x
  2. Step 2: Convert to fraction form
    90,810.06/125,314.73 = 49,970.37/x
  3. Step 3: Cross multiply
    90,810.06x = 125,314.73 × 49,970.37
  4. Step 4: Simplify right side
    90,810.06x = 6,262,023,299.62
  5. Step 5: Solve for x
    x = 6,262,023,299.62/90,810.06
  6. Step 6: Final answer
    x = 68,957.37

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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.