Home / 108,835.38-150,184.58-61,079.50

Finding the Fourth Proportional to 108,835.38, 150,184.58 and 61,079.50

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Solution

The fourth proportional to 108,835.38, 150,184.58 and 61,079.50 is: 84,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,835.38 : 150,184.58 = 61,079.50 : x
  2. Step 2: Convert to fraction form
    108,835.38/150,184.58 = 61,079.50/x
  3. Step 3: Cross multiply
    108,835.38x = 150,184.58 × 61,079.50
  4. Step 4: Simplify right side
    108,835.38x = 9,173,197,997.79
  5. Step 5: Solve for x
    x = 9,173,197,997.79/108,835.38
  6. Step 6: Final answer
    x = 84,285.08

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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.