Home / 93,930.81-129,748.76-70,015.96

Finding the Fourth Proportional to 93,930.81, 129,748.76 and 70,015.96

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Solution

The fourth proportional to 93,930.81, 129,748.76 and 70,015.96 is: 96,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,930.81 : 129,748.76 = 70,015.96 : x
  2. Step 2: Convert to fraction form
    93,930.81/129,748.76 = 70,015.96/x
  3. Step 3: Cross multiply
    93,930.81x = 129,748.76 × 70,015.96
  4. Step 4: Simplify right side
    93,930.81x = 9,084,483,990.21
  5. Step 5: Solve for x
    x = 9,084,483,990.21/93,930.81
  6. Step 6: Final answer
    x = 96,714.63

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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.