Home / 93,005.20-139,507.80-89,068.60

Finding the Fourth Proportional to 93,005.20, 139,507.80 and 89,068.60

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Solution

The fourth proportional to 93,005.20, 139,507.80 and 89,068.60 is: 133,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,005.20 : 139,507.80 = 89,068.60 : x
  2. Step 2: Convert to fraction form
    93,005.20/139,507.80 = 89,068.60/x
  3. Step 3: Cross multiply
    93,005.20x = 139,507.80 × 89,068.60
  4. Step 4: Simplify right side
    93,005.20x = 12,425,764,435.08
  5. Step 5: Solve for x
    x = 12,425,764,435.08/93,005.20
  6. Step 6: Final answer
    x = 133,602.90

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1.5x scale

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.