Home / 97,789.50-134,949.63-53,077.50

Finding the Fourth Proportional to 97,789.50, 134,949.63 and 53,077.50

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Solution

The fourth proportional to 97,789.50, 134,949.63 and 53,077.50 is: 73,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,789.50 : 134,949.63 = 53,077.50 : x
  2. Step 2: Convert to fraction form
    97,789.50/134,949.63 = 53,077.50/x
  3. Step 3: Cross multiply
    97,789.50x = 134,949.63 × 53,077.50
  4. Step 4: Simplify right side
    97,789.50x = 7,162,788,986.33
  5. Step 5: Solve for x
    x = 7,162,788,986.33/97,789.50
  6. Step 6: Final answer
    x = 73,247.02

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1.5x scale

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.