Home / 74,427.15-102,714.06-42,595.37

Finding the Fourth Proportional to 74,427.15, 102,714.06 and 42,595.37

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Solution

The fourth proportional to 74,427.15, 102,714.06 and 42,595.37 is: 58,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,427.15 : 102,714.06 = 42,595.37 : x
  2. Step 2: Convert to fraction form
    74,427.15/102,714.06 = 42,595.37/x
  3. Step 3: Cross multiply
    74,427.15x = 102,714.06 × 42,595.37
  4. Step 4: Simplify right side
    74,427.15x = 4,375,142,663.36
  5. Step 5: Solve for x
    x = 4,375,142,663.36/74,427.15
  6. Step 6: Final answer
    x = 58,784.23

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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.