Home / 53,455.50-73,683.61-42,107.02

Finding the Fourth Proportional to 53,455.50, 73,683.61 and 42,107.02

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Solution

The fourth proportional to 53,455.50, 73,683.61 and 42,107.02 is: 58,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,455.50 : 73,683.61 = 42,107.02 : x
  2. Step 2: Convert to fraction form
    53,455.50/73,683.61 = 42,107.02/x
  3. Step 3: Cross multiply
    53,455.50x = 73,683.61 × 42,107.02
  4. Step 4: Simplify right side
    53,455.50x = 3,102,596,950.47
  5. Step 5: Solve for x
    x = 3,102,596,950.47/53,455.50
  6. Step 6: Final answer
    x = 58,040.74

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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.