Home / 93,427.05-128,932.16-53,146.59

Finding the Fourth Proportional to 93,427.05, 128,932.16 and 53,146.59

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Solution

The fourth proportional to 93,427.05, 128,932.16 and 53,146.59 is: 73,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,427.05 : 128,932.16 = 53,146.59 : x
  2. Step 2: Convert to fraction form
    93,427.05/128,932.16 = 53,146.59/x
  3. Step 3: Cross multiply
    93,427.05x = 128,932.16 × 53,146.59
  4. Step 4: Simplify right side
    93,427.05x = 6,852,304,379.60
  5. Step 5: Solve for x
    x = 6,852,304,379.60/93,427.05
  6. Step 6: Final answer
    x = 73,343.90

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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.