Home / 93,269.14-128,707.05-52,981.90

Finding the Fourth Proportional to 93,269.14, 128,707.05 and 52,981.90

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Solution

The fourth proportional to 93,269.14, 128,707.05 and 52,981.90 is: 73,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,269.14 : 128,707.05 = 52,981.90 : x
  2. Step 2: Convert to fraction form
    93,269.14/128,707.05 = 52,981.90/x
  3. Step 3: Cross multiply
    93,269.14x = 128,707.05 × 52,981.90
  4. Step 4: Simplify right side
    93,269.14x = 6,819,144,052.40
  5. Step 5: Solve for x
    x = 6,819,144,052.40/93,269.14
  6. Step 6: Final answer
    x = 73,112.54

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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.