Home / 52,402.20-72,303.80-31,177.32

Finding the Fourth Proportional to 52,402.20, 72,303.80 and 31,177.32

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Solution

The fourth proportional to 52,402.20, 72,303.80 and 31,177.32 is: 43,018.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,402.20 : 72,303.80 = 31,177.32 : x
  2. Step 2: Convert to fraction form
    52,402.20/72,303.80 = 31,177.32/x
  3. Step 3: Cross multiply
    52,402.20x = 72,303.80 × 31,177.32
  4. Step 4: Simplify right side
    52,402.20x = 2,254,238,709.82
  5. Step 5: Solve for x
    x = 2,254,238,709.82/52,402.20
  6. Step 6: Final answer
    x = 43,018.02

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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.