Home / 93,377.61-128,707.46-66,162.83

Finding the Fourth Proportional to 93,377.61, 128,707.46 and 66,162.83

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Solution

The fourth proportional to 93,377.61, 128,707.46 and 66,162.83 is: 91,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,377.61 : 128,707.46 = 66,162.83 : x
  2. Step 2: Convert to fraction form
    93,377.61/128,707.46 = 66,162.83/x
  3. Step 3: Cross multiply
    93,377.61x = 128,707.46 × 66,162.83
  4. Step 4: Simplify right side
    93,377.61x = 8,515,648,883.39
  5. Step 5: Solve for x
    x = 8,515,648,883.39/93,377.61
  6. Step 6: Final answer
    x = 91,195.83

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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.