Home / 90,318.35-124,637.70-50,031.99

Finding the Fourth Proportional to 90,318.35, 124,637.70 and 50,031.99

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Solution

The fourth proportional to 90,318.35, 124,637.70 and 50,031.99 is: 69,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,318.35 : 124,637.70 = 50,031.99 : x
  2. Step 2: Convert to fraction form
    90,318.35/124,637.70 = 50,031.99/x
  3. Step 3: Cross multiply
    90,318.35x = 124,637.70 × 50,031.99
  4. Step 4: Simplify right side
    90,318.35x = 6,235,871,909.86
  5. Step 5: Solve for x
    x = 6,235,871,909.86/90,318.35
  6. Step 6: Final answer
    x = 69,043.24

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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.