Home / 85,756.93-118,306.84-51,746.46

Finding the Fourth Proportional to 85,756.93, 118,306.84 and 51,746.46

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Solution

The fourth proportional to 85,756.93, 118,306.84 and 51,746.46 is: 71,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,756.93 : 118,306.84 = 51,746.46 : x
  2. Step 2: Convert to fraction form
    85,756.93/118,306.84 = 51,746.46/x
  3. Step 3: Cross multiply
    85,756.93x = 118,306.84 × 51,746.46
  4. Step 4: Simplify right side
    85,756.93x = 6,121,960,163.79
  5. Step 5: Solve for x
    x = 6,121,960,163.79/85,756.93
  6. Step 6: Final answer
    x = 71,387.35

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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.