Home / 72,702.03-109,052.88-22,785.93

Finding the Fourth Proportional to 72,702.03, 109,052.88 and 22,785.93

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Solution

The fourth proportional to 72,702.03, 109,052.88 and 22,785.93 is: 34,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,702.03 : 109,052.88 = 22,785.93 : x
  2. Step 2: Convert to fraction form
    72,702.03/109,052.88 = 22,785.93/x
  3. Step 3: Cross multiply
    72,702.03x = 109,052.88 × 22,785.93
  4. Step 4: Simplify right side
    72,702.03x = 2,484,871,289.98
  5. Step 5: Solve for x
    x = 2,484,871,289.98/72,702.03
  6. Step 6: Final answer
    x = 34,178.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.