Home / 121,936.79-182,910.05-37,689.45

Finding the Fourth Proportional to 121,936.79, 182,910.05 and 37,689.45

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Solution

The fourth proportional to 121,936.79, 182,910.05 and 37,689.45 is: 56,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,936.79 : 182,910.05 = 37,689.45 : x
  2. Step 2: Convert to fraction form
    121,936.79/182,910.05 = 37,689.45/x
  3. Step 3: Cross multiply
    121,936.79x = 182,910.05 × 37,689.45
  4. Step 4: Simplify right side
    121,936.79x = 6,893,779,479.82
  5. Step 5: Solve for x
    x = 6,893,779,479.82/121,936.79
  6. Step 6: Final answer
    x = 56,535.68

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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.