Home / 93,150.56-128,543.74-50,709.24

Finding the Fourth Proportional to 93,150.56, 128,543.74 and 50,709.24

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Solution

The fourth proportional to 93,150.56, 128,543.74 and 50,709.24 is: 69,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,150.56 : 128,543.74 = 50,709.24 : x
  2. Step 2: Convert to fraction form
    93,150.56/128,543.74 = 50,709.24/x
  3. Step 3: Cross multiply
    93,150.56x = 128,543.74 × 50,709.24
  4. Step 4: Simplify right side
    93,150.56x = 6,518,355,362.16
  5. Step 5: Solve for x
    x = 6,518,355,362.16/93,150.56
  6. Step 6: Final answer
    x = 69,976.56

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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.