Home / 107,953.10-161,881.05-48,758.30

Finding the Fourth Proportional to 107,953.10, 161,881.05 and 48,758.30

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Solution

The fourth proportional to 107,953.10, 161,881.05 and 48,758.30 is: 73,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,953.10 : 161,881.05 = 48,758.30 : x
  2. Step 2: Convert to fraction form
    107,953.10/161,881.05 = 48,758.30/x
  3. Step 3: Cross multiply
    107,953.10x = 161,881.05 × 48,758.30
  4. Step 4: Simplify right side
    107,953.10x = 7,893,044,800.22
  5. Step 5: Solve for x
    x = 7,893,044,800.22/107,953.10
  6. Step 6: Final answer
    x = 73,115.50

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1.5x scale

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.