Home / 97,185.12-145,566.20-47,159.66

Finding the Fourth Proportional to 97,185.12, 145,566.20 and 47,159.66

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Solution

The fourth proportional to 97,185.12, 145,566.20 and 47,159.66 is: 70,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,185.12 : 145,566.20 = 47,159.66 : x
  2. Step 2: Convert to fraction form
    97,185.12/145,566.20 = 47,159.66/x
  3. Step 3: Cross multiply
    97,185.12x = 145,566.20 × 47,159.66
  4. Step 4: Simplify right side
    97,185.12x = 6,864,852,499.49
  5. Step 5: Solve for x
    x = 6,864,852,499.49/97,185.12
  6. Step 6: Final answer
    x = 70,636.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.