Home / 40,698.02-61,037.47-11,108.81

Finding the Fourth Proportional to 40,698.02, 61,037.47 and 11,108.81

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Solution

The fourth proportional to 40,698.02, 61,037.47 and 11,108.81 is: 16,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,698.02 : 61,037.47 = 11,108.81 : x
  2. Step 2: Convert to fraction form
    40,698.02/61,037.47 = 11,108.81/x
  3. Step 3: Cross multiply
    40,698.02x = 61,037.47 × 11,108.81
  4. Step 4: Simplify right side
    40,698.02x = 678,053,657.11
  5. Step 5: Solve for x
    x = 678,053,657.11/40,698.02
  6. Step 6: Final answer
    x = 16,660.61

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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.