Home / 61,800.04-85,252.76-39,100.80

Finding the Fourth Proportional to 61,800.04, 85,252.76 and 39,100.80

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Solution

The fourth proportional to 61,800.04, 85,252.76 and 39,100.80 is: 53,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,800.04 : 85,252.76 = 39,100.80 : x
  2. Step 2: Convert to fraction form
    61,800.04/85,252.76 = 39,100.80/x
  3. Step 3: Cross multiply
    61,800.04x = 85,252.76 × 39,100.80
  4. Step 4: Simplify right side
    61,800.04x = 3,333,450,922.70
  5. Step 5: Solve for x
    x = 3,333,450,922.70/61,800.04
  6. Step 6: Final answer
    x = 53,939.30

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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.