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Finding the Fourth Proportional to 93,881.01, 140,830.17 and 30,701.46

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Solution

The fourth proportional to 93,881.01, 140,830.17 and 30,701.46 is: 46,055.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,881.01 : 140,830.17 = 30,701.46 : x
  2. Step 2: Convert to fraction form
    93,881.01/140,830.17 = 30,701.46/x
  3. Step 3: Cross multiply
    93,881.01x = 140,830.17 × 30,701.46
  4. Step 4: Simplify right side
    93,881.01x = 4,323,691,831.05
  5. Step 5: Solve for x
    x = 4,323,691,831.05/93,881.01
  6. Step 6: Final answer
    x = 46,055.02

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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.