Home / 55,619.60-83,431.45-28,594.71

Finding the Fourth Proportional to 55,619.60, 83,431.45 and 28,594.71

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Solution

The fourth proportional to 55,619.60, 83,431.45 and 28,594.71 is: 42,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.60 : 83,431.45 = 28,594.71 : x
  2. Step 2: Convert to fraction form
    55,619.60/83,431.45 = 28,594.71/x
  3. Step 3: Cross multiply
    55,619.60x = 83,431.45 × 28,594.71
  4. Step 4: Simplify right side
    55,619.60x = 2,385,698,117.63
  5. Step 5: Solve for x
    x = 2,385,698,117.63/55,619.60
  6. Step 6: Final answer
    x = 42,893.12

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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.