Home / 71,280.10-98,365.28-41,065.35

Finding the Fourth Proportional to 71,280.10, 98,365.28 and 41,065.35

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Solution

The fourth proportional to 71,280.10, 98,365.28 and 41,065.35 is: 56,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280.10 : 98,365.28 = 41,065.35 : x
  2. Step 2: Convert to fraction form
    71,280.10/98,365.28 = 41,065.35/x
  3. Step 3: Cross multiply
    71,280.10x = 98,365.28 × 41,065.35
  4. Step 4: Simplify right side
    71,280.10x = 4,039,404,651.05
  5. Step 5: Solve for x
    x = 4,039,404,651.05/71,280.10
  6. Step 6: Final answer
    x = 56,669.46

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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.