Home / 56,668.07-78,202.10-31,177.04

Finding the Fourth Proportional to 56,668.07, 78,202.10 and 31,177.04

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Solution

The fourth proportional to 56,668.07, 78,202.10 and 31,177.04 is: 43,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668.07 : 78,202.10 = 31,177.04 : x
  2. Step 2: Convert to fraction form
    56,668.07/78,202.10 = 31,177.04/x
  3. Step 3: Cross multiply
    56,668.07x = 78,202.10 × 31,177.04
  4. Step 4: Simplify right side
    56,668.07x = 2,438,110,039.40
  5. Step 5: Solve for x
    x = 2,438,110,039.40/56,668.07
  6. Step 6: Final answer
    x = 43,024.41

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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.