Home / 93,223.47-128,647.73-50,782.01

Finding the Fourth Proportional to 93,223.47, 128,647.73 and 50,782.01

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Solution

The fourth proportional to 93,223.47, 128,647.73 and 50,782.01 is: 70,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,223.47 : 128,647.73 = 50,782.01 : x
  2. Step 2: Convert to fraction form
    93,223.47/128,647.73 = 50,782.01/x
  3. Step 3: Cross multiply
    93,223.47x = 128,647.73 × 50,782.01
  4. Step 4: Simplify right side
    93,223.47x = 6,532,989,414.19
  5. Step 5: Solve for x
    x = 6,532,989,414.19/93,223.47
  6. Step 6: Final answer
    x = 70,078.81

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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.