Home / 58,735.20-88,112.40-19,281.60

Finding the Fourth Proportional to 58,735.20, 88,112.40 and 19,281.60

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Solution

The fourth proportional to 58,735.20, 88,112.40 and 19,281.60 is: 28,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,735.20 : 88,112.40 = 19,281.60 : x
  2. Step 2: Convert to fraction form
    58,735.20/88,112.40 = 19,281.60/x
  3. Step 3: Cross multiply
    58,735.20x = 88,112.40 × 19,281.60
  4. Step 4: Simplify right side
    58,735.20x = 1,698,948,051.84
  5. Step 5: Solve for x
    x = 1,698,948,051.84/58,735.20
  6. Step 6: Final answer
    x = 28,925.55

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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.