Home / 93,223.41-128,647.65-50,781.94

Finding the Fourth Proportional to 93,223.41, 128,647.65 and 50,781.94

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Solution

The fourth proportional to 93,223.41, 128,647.65 and 50,781.94 is: 70,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,223.41 : 128,647.65 = 50,781.94 : x
  2. Step 2: Convert to fraction form
    93,223.41/128,647.65 = 50,781.94/x
  3. Step 3: Cross multiply
    93,223.41x = 128,647.65 × 50,781.94
  4. Step 4: Simplify right side
    93,223.41x = 6,532,976,989.53
  5. Step 5: Solve for x
    x = 6,532,976,989.53/93,223.41
  6. Step 6: Final answer
    x = 70,078.72

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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.