Home / 59,864.40-89,688.60-28,630.80

Finding the Fourth Proportional to 59,864.40, 89,688.60 and 28,630.80

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Solution

The fourth proportional to 59,864.40, 89,688.60 and 28,630.80 is: 42,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,864.40 : 89,688.60 = 28,630.80 : x
  2. Step 2: Convert to fraction form
    59,864.40/89,688.60 = 28,630.80/x
  3. Step 3: Cross multiply
    59,864.40x = 89,688.60 × 28,630.80
  4. Step 4: Simplify right side
    59,864.40x = 2,567,856,368.88
  5. Step 5: Solve for x
    x = 2,567,856,368.88/59,864.40
  6. Step 6: Final answer
    x = 42,894.55

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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.