Home / 53,647.18-80,439.58-35,898.13

Finding the Fourth Proportional to 53,647.18, 80,439.58 and 35,898.13

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Solution

The fourth proportional to 53,647.18, 80,439.58 and 35,898.13 is: 53,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,647.18 : 80,439.58 = 35,898.13 : x
  2. Step 2: Convert to fraction form
    53,647.18/80,439.58 = 35,898.13/x
  3. Step 3: Cross multiply
    53,647.18x = 80,439.58 × 35,898.13
  4. Step 4: Simplify right side
    53,647.18x = 2,887,630,499.99
  5. Step 5: Solve for x
    x = 2,887,630,499.99/53,647.18
  6. Step 6: Final answer
    x = 53,826.32

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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.