Home / 94,948.02-142,420.77-28,388.70

Finding the Fourth Proportional to 94,948.02, 142,420.77 and 28,388.70

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Solution

The fourth proportional to 94,948.02, 142,420.77 and 28,388.70 is: 42,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,948.02 : 142,420.77 = 28,388.70 : x
  2. Step 2: Convert to fraction form
    94,948.02/142,420.77 = 28,388.70/x
  3. Step 3: Cross multiply
    94,948.02x = 142,420.77 × 28,388.70
  4. Step 4: Simplify right side
    94,948.02x = 4,043,140,513.30
  5. Step 5: Solve for x
    x = 4,043,140,513.30/94,948.02
  6. Step 6: Final answer
    x = 42,582.67

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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.