Home / 93,384.45-128,876.65-53,101.96

Finding the Fourth Proportional to 93,384.45, 128,876.65 and 53,101.96

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Solution

The fourth proportional to 93,384.45, 128,876.65 and 53,101.96 is: 73,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,384.45 : 128,876.65 = 53,101.96 : x
  2. Step 2: Convert to fraction form
    93,384.45/128,876.65 = 53,101.96/x
  3. Step 3: Cross multiply
    93,384.45x = 128,876.65 × 53,101.96
  4. Step 4: Simplify right side
    93,384.45x = 6,843,602,258.29
  5. Step 5: Solve for x
    x = 6,843,602,258.29/93,384.45
  6. Step 6: Final answer
    x = 73,284.17

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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.