Home / 93,154.03-128,569.33-54,911.33

Finding the Fourth Proportional to 93,154.03, 128,569.33 and 54,911.33

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Solution

The fourth proportional to 93,154.03, 128,569.33 and 54,911.33 is: 75,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,154.03 : 128,569.33 = 54,911.33 : x
  2. Step 2: Convert to fraction form
    93,154.03/128,569.33 = 54,911.33/x
  3. Step 3: Cross multiply
    93,154.03x = 128,569.33 × 54,911.33
  4. Step 4: Simplify right side
    93,154.03x = 7,059,913,229.76
  5. Step 5: Solve for x
    x = 7,059,913,229.76/93,154.03
  6. Step 6: Final answer
    x = 75,787.52

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1.5x scale

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.