Home / 93,094.06-128,479.26-54,865.45

Finding the Fourth Proportional to 93,094.06, 128,479.26 and 54,865.45

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Solution

The fourth proportional to 93,094.06, 128,479.26 and 54,865.45 is: 75,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,094.06 : 128,479.26 = 54,865.45 : x
  2. Step 2: Convert to fraction form
    93,094.06/128,479.26 = 54,865.45/x
  3. Step 3: Cross multiply
    93,094.06x = 128,479.26 × 54,865.45
  4. Step 4: Simplify right side
    93,094.06x = 7,049,072,781.91
  5. Step 5: Solve for x
    x = 7,049,072,781.91/93,094.06
  6. Step 6: Final answer
    x = 75,719.90

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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.