Home / 52,108.50-78,153.71-14,659.70

Finding the Fourth Proportional to 52,108.50, 78,153.71 and 14,659.70

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Solution

The fourth proportional to 52,108.50, 78,153.71 and 14,659.70 is: 21,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,108.50 : 78,153.71 = 14,659.70 : x
  2. Step 2: Convert to fraction form
    52,108.50/78,153.71 = 14,659.70/x
  3. Step 3: Cross multiply
    52,108.50x = 78,153.71 × 14,659.70
  4. Step 4: Simplify right side
    52,108.50x = 1,145,709,942.49
  5. Step 5: Solve for x
    x = 1,145,709,942.49/52,108.50
  6. Step 6: Final answer
    x = 21,987.01

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1.5x scale

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.