Home / 93,605.78-129,176.04-51,164.31

Finding the Fourth Proportional to 93,605.78, 129,176.04 and 51,164.31

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Solution

The fourth proportional to 93,605.78, 129,176.04 and 51,164.31 is: 70,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,605.78 : 129,176.04 = 51,164.31 : x
  2. Step 2: Convert to fraction form
    93,605.78/129,176.04 = 51,164.31/x
  3. Step 3: Cross multiply
    93,605.78x = 129,176.04 × 51,164.31
  4. Step 4: Simplify right side
    93,605.78x = 6,609,202,955.13
  5. Step 5: Solve for x
    x = 6,609,202,955.13/93,605.78
  6. Step 6: Final answer
    x = 70,606.78

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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.