Home / 97,602.48-146,438.84-38,405.36

Finding the Fourth Proportional to 97,602.48, 146,438.84 and 38,405.36

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Solution

The fourth proportional to 97,602.48, 146,438.84 and 38,405.36 is: 57,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,602.48 : 146,438.84 = 38,405.36 : x
  2. Step 2: Convert to fraction form
    97,602.48/146,438.84 = 38,405.36/x
  3. Step 3: Cross multiply
    97,602.48x = 146,438.84 × 38,405.36
  4. Step 4: Simplify right side
    97,602.48x = 5,624,036,368.18
  5. Step 5: Solve for x
    x = 5,624,036,368.18/97,602.48
  6. Step 6: Final answer
    x = 57,621.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.