Home / 93,004.74-128,346.93-55,279.26

Finding the Fourth Proportional to 93,004.74, 128,346.93 and 55,279.26

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Solution

The fourth proportional to 93,004.74, 128,346.93 and 55,279.26 is: 76,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,004.74 : 128,346.93 = 55,279.26 : x
  2. Step 2: Convert to fraction form
    93,004.74/128,346.93 = 55,279.26/x
  3. Step 3: Cross multiply
    93,004.74x = 128,346.93 × 55,279.26
  4. Step 4: Simplify right side
    93,004.74x = 7,094,923,313.67
  5. Step 5: Solve for x
    x = 7,094,923,313.67/93,004.74
  6. Step 6: Final answer
    x = 76,285.61

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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.