Home / 93,027.40-139,541.10-89,819.80

Finding the Fourth Proportional to 93,027.40, 139,541.10 and 89,819.80

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Solution

The fourth proportional to 93,027.40, 139,541.10 and 89,819.80 is: 134,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,027.40 : 139,541.10 = 89,819.80 : x
  2. Step 2: Convert to fraction form
    93,027.40/139,541.10 = 89,819.80/x
  3. Step 3: Cross multiply
    93,027.40x = 139,541.10 × 89,819.80
  4. Step 4: Simplify right side
    93,027.40x = 12,533,553,693.78
  5. Step 5: Solve for x
    x = 12,533,553,693.78/93,027.40
  6. Step 6: Final answer
    x = 134,729.70

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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.