Home / 74,456.19-102,803.22-45,814.41

Finding the Fourth Proportional to 74,456.19, 102,803.22 and 45,814.41

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Solution

The fourth proportional to 74,456.19, 102,803.22 and 45,814.41 is: 63,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,456.19 : 102,803.22 = 45,814.41 : x
  2. Step 2: Convert to fraction form
    74,456.19/102,803.22 = 45,814.41/x
  3. Step 3: Cross multiply
    74,456.19x = 102,803.22 × 45,814.41
  4. Step 4: Simplify right side
    74,456.19x = 4,709,868,870.40
  5. Step 5: Solve for x
    x = 4,709,868,870.40/74,456.19
  6. Step 6: Final answer
    x = 63,256.91

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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.