Home / 74,428.32-102,685.68-46,123.68

Finding the Fourth Proportional to 74,428.32, 102,685.68 and 46,123.68

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Solution

The fourth proportional to 74,428.32, 102,685.68 and 46,123.68 is: 63,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,428.32 : 102,685.68 = 46,123.68 : x
  2. Step 2: Convert to fraction form
    74,428.32/102,685.68 = 46,123.68/x
  3. Step 3: Cross multiply
    74,428.32x = 102,685.68 × 46,123.68
  4. Step 4: Simplify right side
    74,428.32x = 4,736,241,444.90
  5. Step 5: Solve for x
    x = 4,736,241,444.90/74,428.32
  6. Step 6: Final answer
    x = 63,634.94

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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.