Home / 77,129.30-115,702.46-24,526.50

Finding the Fourth Proportional to 77,129.30, 115,702.46 and 24,526.50

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Solution

The fourth proportional to 77,129.30, 115,702.46 and 24,526.50 is: 36,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,129.30 : 115,702.46 = 24,526.50 : x
  2. Step 2: Convert to fraction form
    77,129.30/115,702.46 = 24,526.50/x
  3. Step 3: Cross multiply
    77,129.30x = 115,702.46 × 24,526.50
  4. Step 4: Simplify right side
    77,129.30x = 2,837,776,385.19
  5. Step 5: Solve for x
    x = 2,837,776,385.19/77,129.30
  6. Step 6: Final answer
    x = 36,792.46

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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.