Home / 51,642.16-77,400.92-26,668.60

Finding the Fourth Proportional to 51,642.16, 77,400.92 and 26,668.60

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Solution

The fourth proportional to 51,642.16, 77,400.92 and 26,668.60 is: 39,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,642.16 : 77,400.92 = 26,668.60 : x
  2. Step 2: Convert to fraction form
    51,642.16/77,400.92 = 26,668.60/x
  3. Step 3: Cross multiply
    51,642.16x = 77,400.92 × 26,668.60
  4. Step 4: Simplify right side
    51,642.16x = 2,064,174,048.28
  5. Step 5: Solve for x
    x = 2,064,174,048.28/51,642.16
  6. Step 6: Final answer
    x = 39,970.72

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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.