Home / 98,683.12-148,048.98-28,569.52

Finding the Fourth Proportional to 98,683.12, 148,048.98 and 28,569.52

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Solution

The fourth proportional to 98,683.12, 148,048.98 and 28,569.52 is: 42,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,683.12 : 148,048.98 = 28,569.52 : x
  2. Step 2: Convert to fraction form
    98,683.12/148,048.98 = 28,569.52/x
  3. Step 3: Cross multiply
    98,683.12x = 148,048.98 × 28,569.52
  4. Step 4: Simplify right side
    98,683.12x = 4,229,688,295.09
  5. Step 5: Solve for x
    x = 4,229,688,295.09/98,683.12
  6. Step 6: Final answer
    x = 42,861.32

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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.