Home / 121,899.09-182,866.13-37,666.61

Finding the Fourth Proportional to 121,899.09, 182,866.13 and 37,666.61

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Solution

The fourth proportional to 121,899.09, 182,866.13 and 37,666.61 is: 56,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,899.09 : 182,866.13 = 37,666.61 : x
  2. Step 2: Convert to fraction form
    121,899.09/182,866.13 = 37,666.61/x
  3. Step 3: Cross multiply
    121,899.09x = 182,866.13 × 37,666.61
  4. Step 4: Simplify right side
    121,899.09x = 6,887,946,925.25
  5. Step 5: Solve for x
    x = 6,887,946,925.25/121,899.09
  6. Step 6: Final answer
    x = 56,505.32

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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.