Home / 93,045.39-128,405.30-50,606.66

Finding the Fourth Proportional to 93,045.39, 128,405.30 and 50,606.66

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Solution

The fourth proportional to 93,045.39, 128,405.30 and 50,606.66 is: 69,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,045.39 : 128,405.30 = 50,606.66 : x
  2. Step 2: Convert to fraction form
    93,045.39/128,405.30 = 50,606.66/x
  3. Step 3: Cross multiply
    93,045.39x = 128,405.30 × 50,606.66
  4. Step 4: Simplify right side
    93,045.39x = 6,498,163,359.30
  5. Step 5: Solve for x
    x = 6,498,163,359.30/93,045.39
  6. Step 6: Final answer
    x = 69,838.64

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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.