Home / 97,670.95-146,530.99-45,117.61

Finding the Fourth Proportional to 97,670.95, 146,530.99 and 45,117.61

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Solution

The fourth proportional to 97,670.95, 146,530.99 and 45,117.61 is: 67,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,670.95 : 146,530.99 = 45,117.61 : x
  2. Step 2: Convert to fraction form
    97,670.95/146,530.99 = 45,117.61/x
  3. Step 3: Cross multiply
    97,670.95x = 146,530.99 × 45,117.61
  4. Step 4: Simplify right side
    97,670.95x = 6,611,127,749.80
  5. Step 5: Solve for x
    x = 6,611,127,749.80/97,670.95
  6. Step 6: Final answer
    x = 67,687.76

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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.