Home / 93,155.56-128,550.64-50,714.24

Finding the Fourth Proportional to 93,155.56, 128,550.64 and 50,714.24

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Solution

The fourth proportional to 93,155.56, 128,550.64 and 50,714.24 is: 69,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,155.56 : 128,550.64 = 50,714.24 : x
  2. Step 2: Convert to fraction form
    93,155.56/128,550.64 = 50,714.24/x
  3. Step 3: Cross multiply
    93,155.56x = 128,550.64 × 50,714.24
  4. Step 4: Simplify right side
    93,155.56x = 6,519,348,009.11
  5. Step 5: Solve for x
    x = 6,519,348,009.11/93,155.56
  6. Step 6: Final answer
    x = 69,983.46

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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.