Home / 66,117.54-99,079.04-39,072.04

Finding the Fourth Proportional to 66,117.54, 99,079.04 and 39,072.04

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Solution

The fourth proportional to 66,117.54, 99,079.04 and 39,072.04 is: 58,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,117.54 : 99,079.04 = 39,072.04 : x
  2. Step 2: Convert to fraction form
    66,117.54/99,079.04 = 39,072.04/x
  3. Step 3: Cross multiply
    66,117.54x = 99,079.04 × 39,072.04
  4. Step 4: Simplify right side
    66,117.54x = 3,871,220,055.68
  5. Step 5: Solve for x
    x = 3,871,220,055.68/66,117.54
  6. Step 6: Final answer
    x = 58,550.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.