Home / 93,708.64-129,334.57-55,489.40

Finding the Fourth Proportional to 93,708.64, 129,334.57 and 55,489.40

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Solution

The fourth proportional to 93,708.64, 129,334.57 and 55,489.40 is: 76,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,708.64 : 129,334.57 = 55,489.40 : x
  2. Step 2: Convert to fraction form
    93,708.64/129,334.57 = 55,489.40/x
  3. Step 3: Cross multiply
    93,708.64x = 129,334.57 × 55,489.40
  4. Step 4: Simplify right side
    93,708.64x = 7,176,697,873.17
  5. Step 5: Solve for x
    x = 7,176,697,873.17/93,708.64
  6. Step 6: Final answer
    x = 76,585.23

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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.