Home / 92,826.31-128,089.66-51,984.74

Finding the Fourth Proportional to 92,826.31, 128,089.66 and 51,984.74

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Solution

The fourth proportional to 92,826.31, 128,089.66 and 51,984.74 is: 71,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,826.31 : 128,089.66 = 51,984.74 : x
  2. Step 2: Convert to fraction form
    92,826.31/128,089.66 = 51,984.74/x
  3. Step 3: Cross multiply
    92,826.31x = 128,089.66 × 51,984.74
  4. Step 4: Simplify right side
    92,826.31x = 6,658,707,671.79
  5. Step 5: Solve for x
    x = 6,658,707,671.79/92,826.31
  6. Step 6: Final answer
    x = 71,732.98

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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.