Home / 90,320.88-124,638.96-50,036.34

Finding the Fourth Proportional to 90,320.88, 124,638.96 and 50,036.34

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Solution

The fourth proportional to 90,320.88, 124,638.96 and 50,036.34 is: 69,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,320.88 : 124,638.96 = 50,036.34 : x
  2. Step 2: Convert to fraction form
    90,320.88/124,638.96 = 50,036.34/x
  3. Step 3: Cross multiply
    90,320.88x = 124,638.96 × 50,036.34
  4. Step 4: Simplify right side
    90,320.88x = 6,236,477,379.81
  5. Step 5: Solve for x
    x = 6,236,477,379.81/90,320.88
  6. Step 6: Final answer
    x = 69,048.01

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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.