Home / 93,821.04-129,420.52-55,543.25

Finding the Fourth Proportional to 93,821.04, 129,420.52 and 55,543.25

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Solution

The fourth proportional to 93,821.04, 129,420.52 and 55,543.25 is: 76,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,821.04 : 129,420.52 = 55,543.25 : x
  2. Step 2: Convert to fraction form
    93,821.04/129,420.52 = 55,543.25/x
  3. Step 3: Cross multiply
    93,821.04x = 129,420.52 × 55,543.25
  4. Step 4: Simplify right side
    93,821.04x = 7,188,436,297.49
  5. Step 5: Solve for x
    x = 7,188,436,297.49/93,821.04
  6. Step 6: Final answer
    x = 76,618.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.