Home / 63,065.16-87,025.77-34,770.78

Finding the Fourth Proportional to 63,065.16, 87,025.77 and 34,770.78

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Solution

The fourth proportional to 63,065.16, 87,025.77 and 34,770.78 is: 47,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,065.16 : 87,025.77 = 34,770.78 : x
  2. Step 2: Convert to fraction form
    63,065.16/87,025.77 = 34,770.78/x
  3. Step 3: Cross multiply
    63,065.16x = 87,025.77 × 34,770.78
  4. Step 4: Simplify right side
    63,065.16x = 3,025,953,903.00
  5. Step 5: Solve for x
    x = 3,025,953,903.00/63,065.16
  6. Step 6: Final answer
    x = 47,981.39

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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.