Home / 67,790.19-93,529.06-39,105.99

Finding the Fourth Proportional to 67,790.19, 93,529.06 and 39,105.99

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Solution

The fourth proportional to 67,790.19, 93,529.06 and 39,105.99 is: 53,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,790.19 : 93,529.06 = 39,105.99 : x
  2. Step 2: Convert to fraction form
    67,790.19/93,529.06 = 39,105.99/x
  3. Step 3: Cross multiply
    67,790.19x = 93,529.06 × 39,105.99
  4. Step 4: Simplify right side
    67,790.19x = 3,657,546,485.07
  5. Step 5: Solve for x
    x = 3,657,546,485.07/67,790.19
  6. Step 6: Final answer
    x = 53,953.92

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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.