Home / 93,819.30-129,418.10-55,541.50

Finding the Fourth Proportional to 93,819.30, 129,418.10 and 55,541.50

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Solution

The fourth proportional to 93,819.30, 129,418.10 and 55,541.50 is: 76,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,819.30 : 129,418.10 = 55,541.50 : x
  2. Step 2: Convert to fraction form
    93,819.30/129,418.10 = 55,541.50/x
  3. Step 3: Cross multiply
    93,819.30x = 129,418.10 × 55,541.50
  4. Step 4: Simplify right side
    93,819.30x = 7,188,075,320.60
  5. Step 5: Solve for x
    x = 7,188,075,320.60/93,819.30
  6. Step 6: Final answer
    x = 76,616.17

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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.