Home / 90,415.06-124,776.75-50,126.29

Finding the Fourth Proportional to 90,415.06, 124,776.75 and 50,126.29

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Solution

The fourth proportional to 90,415.06, 124,776.75 and 50,126.29 is: 69,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,415.06 : 124,776.75 = 50,126.29 : x
  2. Step 2: Convert to fraction form
    90,415.06/124,776.75 = 50,126.29/x
  3. Step 3: Cross multiply
    90,415.06x = 124,776.75 × 50,126.29
  4. Step 4: Simplify right side
    90,415.06x = 6,254,595,555.76
  5. Step 5: Solve for x
    x = 6,254,595,555.76/90,415.06
  6. Step 6: Final answer
    x = 69,176.48

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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.