Home / 55,666.40-83,426.70-22,359.20

Finding the Fourth Proportional to 55,666.40, 83,426.70 and 22,359.20

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Solution

The fourth proportional to 55,666.40, 83,426.70 and 22,359.20 is: 33,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.40 : 83,426.70 = 22,359.20 : x
  2. Step 2: Convert to fraction form
    55,666.40/83,426.70 = 22,359.20/x
  3. Step 3: Cross multiply
    55,666.40x = 83,426.70 × 22,359.20
  4. Step 4: Simplify right side
    55,666.40x = 1,865,354,270.64
  5. Step 5: Solve for x
    x = 1,865,354,270.64/55,666.40
  6. Step 6: Final answer
    x = 33,509.52

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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.