Home / 65,205.18-97,812.99-20,838.24

Finding the Fourth Proportional to 65,205.18, 97,812.99 and 20,838.24

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Solution

The fourth proportional to 65,205.18, 97,812.99 and 20,838.24 is: 31,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,205.18 : 97,812.99 = 20,838.24 : x
  2. Step 2: Convert to fraction form
    65,205.18/97,812.99 = 20,838.24/x
  3. Step 3: Cross multiply
    65,205.18x = 97,812.99 × 20,838.24
  4. Step 4: Simplify right side
    65,205.18x = 2,038,250,560.74
  5. Step 5: Solve for x
    x = 2,038,250,560.74/65,205.18
  6. Step 6: Final answer
    x = 31,259.03

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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.