Home / 63,153.15-87,152.07-34,858.86

Finding the Fourth Proportional to 63,153.15, 87,152.07 and 34,858.86

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Solution

The fourth proportional to 63,153.15, 87,152.07 and 34,858.86 is: 48,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,153.15 : 87,152.07 = 34,858.86 : x
  2. Step 2: Convert to fraction form
    63,153.15/87,152.07 = 34,858.86/x
  3. Step 3: Cross multiply
    63,153.15x = 87,152.07 × 34,858.86
  4. Step 4: Simplify right side
    63,153.15x = 3,038,021,806.84
  5. Step 5: Solve for x
    x = 3,038,021,806.84/63,153.15
  6. Step 6: Final answer
    x = 48,105.63

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1.5x scale

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.