Home / 93,023.66-128,327.54-55,271.18

Finding the Fourth Proportional to 93,023.66, 128,327.54 and 55,271.18

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Solution

The fourth proportional to 93,023.66, 128,327.54 and 55,271.18 is: 76,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,023.66 : 128,327.54 = 55,271.18 : x
  2. Step 2: Convert to fraction form
    93,023.66/128,327.54 = 55,271.18/x
  3. Step 3: Cross multiply
    93,023.66x = 128,327.54 × 55,271.18
  4. Step 4: Simplify right side
    93,023.66x = 7,092,814,562.30
  5. Step 5: Solve for x
    x = 7,092,814,562.30/93,023.66
  6. Step 6: Final answer
    x = 76,247.43

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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.