Home / 93,115.04-128,498.76-50,672.64

Finding the Fourth Proportional to 93,115.04, 128,498.76 and 50,672.64

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Solution

The fourth proportional to 93,115.04, 128,498.76 and 50,672.64 is: 69,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,115.04 : 128,498.76 = 50,672.64 : x
  2. Step 2: Convert to fraction form
    93,115.04/128,498.76 = 50,672.64/x
  3. Step 3: Cross multiply
    93,115.04x = 128,498.76 × 50,672.64
  4. Step 4: Simplify right side
    93,115.04x = 6,511,371,405.93
  5. Step 5: Solve for x
    x = 6,511,371,405.93/93,115.04
  6. Step 6: Final answer
    x = 69,928.25

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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.