Home / 71,509.37-98,701.07-48,857.52

Finding the Fourth Proportional to 71,509.37, 98,701.07 and 48,857.52

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Solution

The fourth proportional to 71,509.37, 98,701.07 and 48,857.52 is: 67,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,509.37 : 98,701.07 = 48,857.52 : x
  2. Step 2: Convert to fraction form
    71,509.37/98,701.07 = 48,857.52/x
  3. Step 3: Cross multiply
    71,509.37x = 98,701.07 × 48,857.52
  4. Step 4: Simplify right side
    71,509.37x = 4,822,289,008.04
  5. Step 5: Solve for x
    x = 4,822,289,008.04/71,509.37
  6. Step 6: Final answer
    x = 67,435.76

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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.