Home / 67,027.08-99,811.76-66,290.79

Finding the Fourth Proportional to 67,027.08, 99,811.76 and 66,290.79

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Solution

The fourth proportional to 67,027.08, 99,811.76 and 66,290.79 is: 98,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,027.08 : 99,811.76 = 66,290.79 : x
  2. Step 2: Convert to fraction form
    67,027.08/99,811.76 = 66,290.79/x
  3. Step 3: Cross multiply
    67,027.08x = 99,811.76 × 66,290.79
  4. Step 4: Simplify right side
    67,027.08x = 6,616,600,421.69
  5. Step 5: Solve for x
    x = 6,616,600,421.69/67,027.08
  6. Step 6: Final answer
    x = 98,715.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.