Home / 71,750.12-98,911.48-47,510.52

Finding the Fourth Proportional to 71,750.12, 98,911.48 and 47,510.52

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Solution

The fourth proportional to 71,750.12, 98,911.48 and 47,510.52 is: 65,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,750.12 : 98,911.48 = 47,510.52 : x
  2. Step 2: Convert to fraction form
    71,750.12/98,911.48 = 47,510.52/x
  3. Step 3: Cross multiply
    71,750.12x = 98,911.48 × 47,510.52
  4. Step 4: Simplify right side
    71,750.12x = 4,699,335,848.77
  5. Step 5: Solve for x
    x = 4,699,335,848.77/71,750.12
  6. Step 6: Final answer
    x = 65,495.86

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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.