Home / 74,123.37-102,304.31-45,841.77

Finding the Fourth Proportional to 74,123.37, 102,304.31 and 45,841.77

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Solution

The fourth proportional to 74,123.37, 102,304.31 and 45,841.77 is: 63,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,123.37 : 102,304.31 = 45,841.77 : x
  2. Step 2: Convert to fraction form
    74,123.37/102,304.31 = 45,841.77/x
  3. Step 3: Cross multiply
    74,123.37x = 102,304.31 × 45,841.77
  4. Step 4: Simplify right side
    74,123.37x = 4,689,810,419.82
  5. Step 5: Solve for x
    x = 4,689,810,419.82/74,123.37
  6. Step 6: Final answer
    x = 63,270.33

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1.5x scale

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.