Home / 92,853.09-128,136.90-50,411.61

Finding the Fourth Proportional to 92,853.09, 128,136.90 and 50,411.61

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Solution

The fourth proportional to 92,853.09, 128,136.90 and 50,411.61 is: 69,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,853.09 : 128,136.90 = 50,411.61 : x
  2. Step 2: Convert to fraction form
    92,853.09/128,136.90 = 50,411.61/x
  3. Step 3: Cross multiply
    92,853.09x = 128,136.90 × 50,411.61
  4. Step 4: Simplify right side
    92,853.09x = 6,459,587,429.41
  5. Step 5: Solve for x
    x = 6,459,587,429.41/92,853.09
  6. Step 6: Final answer
    x = 69,567.82

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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.