Home / 71,823.08-99,117.60-41,608.46

Finding the Fourth Proportional to 71,823.08, 99,117.60 and 41,608.46

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Solution

The fourth proportional to 71,823.08, 99,117.60 and 41,608.46 is: 57,420.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,823.08 : 99,117.60 = 41,608.46 : x
  2. Step 2: Convert to fraction form
    71,823.08/99,117.60 = 41,608.46/x
  3. Step 3: Cross multiply
    71,823.08x = 99,117.60 × 41,608.46
  4. Step 4: Simplify right side
    71,823.08x = 4,124,130,694.90
  5. Step 5: Solve for x
    x = 4,124,130,694.90/71,823.08
  6. Step 6: Final answer
    x = 57,420.69

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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.