Home / 90,364.53-124,708.05-50,077.45

Finding the Fourth Proportional to 90,364.53, 124,708.05 and 50,077.45

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Solution

The fourth proportional to 90,364.53, 124,708.05 and 50,077.45 is: 69,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,364.53 : 124,708.05 = 50,077.45 : x
  2. Step 2: Convert to fraction form
    90,364.53/124,708.05 = 50,077.45/x
  3. Step 3: Cross multiply
    90,364.53x = 124,708.05 × 50,077.45
  4. Step 4: Simplify right side
    90,364.53x = 6,245,060,888.09
  5. Step 5: Solve for x
    x = 6,245,060,888.09/90,364.53
  6. Step 6: Final answer
    x = 69,109.65

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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.