Home / 93,119.34-128,278.89-69,204.54

Finding the Fourth Proportional to 93,119.34, 128,278.89 and 69,204.54

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Solution

The fourth proportional to 93,119.34, 128,278.89 and 69,204.54 is: 95,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,119.34 : 128,278.89 = 69,204.54 : x
  2. Step 2: Convert to fraction form
    93,119.34/128,278.89 = 69,204.54/x
  3. Step 3: Cross multiply
    93,119.34x = 128,278.89 × 69,204.54
  4. Step 4: Simplify right side
    93,119.34x = 8,877,481,574.16
  5. Step 5: Solve for x
    x = 8,877,481,574.16/93,119.34
  6. Step 6: Final answer
    x = 95,334.46

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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.