Home / 90,768.51-125,264.01-50,485.19

Finding the Fourth Proportional to 90,768.51, 125,264.01 and 50,485.19

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Solution

The fourth proportional to 90,768.51, 125,264.01 and 50,485.19 is: 69,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,768.51 : 125,264.01 = 50,485.19 : x
  2. Step 2: Convert to fraction form
    90,768.51/125,264.01 = 50,485.19/x
  3. Step 3: Cross multiply
    90,768.51x = 125,264.01 × 50,485.19
  4. Step 4: Simplify right side
    90,768.51x = 6,323,976,718.69
  5. Step 5: Solve for x
    x = 6,323,976,718.69/90,768.51
  6. Step 6: Final answer
    x = 69,671.48

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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.