Home / 73,606.64-101,590.40-43,390.16

Finding the Fourth Proportional to 73,606.64, 101,590.40 and 43,390.16

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Solution

The fourth proportional to 73,606.64, 101,590.40 and 43,390.16 is: 59,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,606.64 : 101,590.40 = 43,390.16 : x
  2. Step 2: Convert to fraction form
    73,606.64/101,590.40 = 43,390.16/x
  3. Step 3: Cross multiply
    73,606.64x = 101,590.40 × 43,390.16
  4. Step 4: Simplify right side
    73,606.64x = 4,408,023,710.46
  5. Step 5: Solve for x
    x = 4,408,023,710.46/73,606.64
  6. Step 6: Final answer
    x = 59,886.22

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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.