Home / 90,924.81-125,471.48-50,637.84

Finding the Fourth Proportional to 90,924.81, 125,471.48 and 50,637.84

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Solution

The fourth proportional to 90,924.81, 125,471.48 and 50,637.84 is: 69,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,924.81 : 125,471.48 = 50,637.84 : x
  2. Step 2: Convert to fraction form
    90,924.81/125,471.48 = 50,637.84/x
  3. Step 3: Cross multiply
    90,924.81x = 125,471.48 × 50,637.84
  4. Step 4: Simplify right side
    90,924.81x = 6,353,604,475.61
  5. Step 5: Solve for x
    x = 6,353,604,475.61/90,924.81
  6. Step 6: Final answer
    x = 69,877.57

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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.