Home / 74,746.56-103,151.06-40,754.76

Finding the Fourth Proportional to 74,746.56, 103,151.06 and 40,754.76

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Solution

The fourth proportional to 74,746.56, 103,151.06 and 40,754.76 is: 56,242.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.56 : 103,151.06 = 40,754.76 : x
  2. Step 2: Convert to fraction form
    74,746.56/103,151.06 = 40,754.76/x
  3. Step 3: Cross multiply
    74,746.56x = 103,151.06 × 40,754.76
  4. Step 4: Simplify right side
    74,746.56x = 4,203,896,490.27
  5. Step 5: Solve for x
    x = 4,203,896,490.27/74,746.56
  6. Step 6: Final answer
    x = 56,242.01

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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.