Home / 93,834.12-129,470.28-55,574.58

Finding the Fourth Proportional to 93,834.12, 129,470.28 and 55,574.58

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Solution

The fourth proportional to 93,834.12, 129,470.28 and 55,574.58 is: 76,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,834.12 : 129,470.28 = 55,574.58 : x
  2. Step 2: Convert to fraction form
    93,834.12/129,470.28 = 55,574.58/x
  3. Step 3: Cross multiply
    93,834.12x = 129,470.28 × 55,574.58
  4. Step 4: Simplify right side
    93,834.12x = 7,195,256,433.48
  5. Step 5: Solve for x
    x = 7,195,256,433.48/93,834.12
  6. Step 6: Final answer
    x = 76,680.60

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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.