Home / 80,509.06-111,105.98-44,699.08

Finding the Fourth Proportional to 80,509.06, 111,105.98 and 44,699.08

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Solution

The fourth proportional to 80,509.06, 111,105.98 and 44,699.08 is: 61,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,509.06 : 111,105.98 = 44,699.08 : x
  2. Step 2: Convert to fraction form
    80,509.06/111,105.98 = 44,699.08/x
  3. Step 3: Cross multiply
    80,509.06x = 111,105.98 × 44,699.08
  4. Step 4: Simplify right side
    80,509.06x = 4,966,335,088.50
  5. Step 5: Solve for x
    x = 4,966,335,088.50/80,509.06
  6. Step 6: Final answer
    x = 61,686.66

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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.