Home / 98,064.40-147,188.76-51,350.80

Finding the Fourth Proportional to 98,064.40, 147,188.76 and 51,350.80

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Solution

The fourth proportional to 98,064.40, 147,188.76 and 51,350.80 is: 77,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,064.40 : 147,188.76 = 51,350.80 : x
  2. Step 2: Convert to fraction form
    98,064.40/147,188.76 = 51,350.80/x
  3. Step 3: Cross multiply
    98,064.40x = 147,188.76 × 51,350.80
  4. Step 4: Simplify right side
    98,064.40x = 7,558,260,577.01
  5. Step 5: Solve for x
    x = 7,558,260,577.01/98,064.40
  6. Step 6: Final answer
    x = 77,074.46

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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.