Home / 90,896.09-125,429.76-50,602.07

Finding the Fourth Proportional to 90,896.09, 125,429.76 and 50,602.07

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Solution

The fourth proportional to 90,896.09, 125,429.76 and 50,602.07 is: 69,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,896.09 : 125,429.76 = 50,602.07 : x
  2. Step 2: Convert to fraction form
    90,896.09/125,429.76 = 50,602.07/x
  3. Step 3: Cross multiply
    90,896.09x = 125,429.76 × 50,602.07
  4. Step 4: Simplify right side
    90,896.09x = 6,347,005,495.60
  5. Step 5: Solve for x
    x = 6,347,005,495.60/90,896.09
  6. Step 6: Final answer
    x = 69,827.05

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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.