Home / 55,877.52-83,798.42-18,430.58

Finding the Fourth Proportional to 55,877.52, 83,798.42 and 18,430.58

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Solution

The fourth proportional to 55,877.52, 83,798.42 and 18,430.58 is: 27,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,877.52 : 83,798.42 = 18,430.58 : x
  2. Step 2: Convert to fraction form
    55,877.52/83,798.42 = 18,430.58/x
  3. Step 3: Cross multiply
    55,877.52x = 83,798.42 × 18,430.58
  4. Step 4: Simplify right side
    55,877.52x = 1,544,453,483.68
  5. Step 5: Solve for x
    x = 1,544,453,483.68/55,877.52
  6. Step 6: Final answer
    x = 27,639.98

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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.