Home / 51,945.65-77,828.95-40,570.52

Finding the Fourth Proportional to 51,945.65, 77,828.95 and 40,570.52

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Solution

The fourth proportional to 51,945.65, 77,828.95 and 40,570.52 is: 60,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,945.65 : 77,828.95 = 40,570.52 : x
  2. Step 2: Convert to fraction form
    51,945.65/77,828.95 = 40,570.52/x
  3. Step 3: Cross multiply
    51,945.65x = 77,828.95 × 40,570.52
  4. Step 4: Simplify right side
    51,945.65x = 3,157,561,071.91
  5. Step 5: Solve for x
    x = 3,157,561,071.91/51,945.65
  6. Step 6: Final answer
    x = 60,785.86

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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.