Home / 91,044.43-125,669.09-52,813.64

Finding the Fourth Proportional to 91,044.43, 125,669.09 and 52,813.64

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Solution

The fourth proportional to 91,044.43, 125,669.09 and 52,813.64 is: 72,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,044.43 : 125,669.09 = 52,813.64 : x
  2. Step 2: Convert to fraction form
    91,044.43/125,669.09 = 52,813.64/x
  3. Step 3: Cross multiply
    91,044.43x = 125,669.09 × 52,813.64
  4. Step 4: Simplify right side
    91,044.43x = 6,637,041,814.32
  5. Step 5: Solve for x
    x = 6,637,041,814.32/91,044.43
  6. Step 6: Final answer
    x = 72,898.94

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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.