Home / 71,518.24-98,680.80-43,225.52

Finding the Fourth Proportional to 71,518.24, 98,680.80 and 43,225.52

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Solution

The fourth proportional to 71,518.24, 98,680.80 and 43,225.52 is: 59,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,518.24 : 98,680.80 = 43,225.52 : x
  2. Step 2: Convert to fraction form
    71,518.24/98,680.80 = 43,225.52/x
  3. Step 3: Cross multiply
    71,518.24x = 98,680.80 × 43,225.52
  4. Step 4: Simplify right side
    71,518.24x = 4,265,528,894.02
  5. Step 5: Solve for x
    x = 4,265,528,894.02/71,518.24
  6. Step 6: Final answer
    x = 59,642.53

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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.