Home / 71,055.07-98,055.90-39,223.89

Finding the Fourth Proportional to 71,055.07, 98,055.90 and 39,223.89

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Solution

The fourth proportional to 71,055.07, 98,055.90 and 39,223.89 is: 54,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,055.07 : 98,055.90 = 39,223.89 : x
  2. Step 2: Convert to fraction form
    71,055.07/98,055.90 = 39,223.89/x
  3. Step 3: Cross multiply
    71,055.07x = 98,055.90 × 39,223.89
  4. Step 4: Simplify right side
    71,055.07x = 3,846,133,835.45
  5. Step 5: Solve for x
    x = 3,846,133,835.45/71,055.07
  6. Step 6: Final answer
    x = 54,128.91

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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.