Home / 47,699.18-65,822.52-26,188.40

Finding the Fourth Proportional to 47,699.18, 65,822.52 and 26,188.40

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Solution

The fourth proportional to 47,699.18, 65,822.52 and 26,188.40 is: 36,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,699.18 : 65,822.52 = 26,188.40 : x
  2. Step 2: Convert to fraction form
    47,699.18/65,822.52 = 26,188.40/x
  3. Step 3: Cross multiply
    47,699.18x = 65,822.52 × 26,188.40
  4. Step 4: Simplify right side
    47,699.18x = 1,723,786,482.77
  5. Step 5: Solve for x
    x = 1,723,786,482.77/47,699.18
  6. Step 6: Final answer
    x = 36,138.70

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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.