Home / 93,153.32-128,551.56-50,712.16

Finding the Fourth Proportional to 93,153.32, 128,551.56 and 50,712.16

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Solution

The fourth proportional to 93,153.32, 128,551.56 and 50,712.16 is: 69,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,153.32 : 128,551.56 = 50,712.16 : x
  2. Step 2: Convert to fraction form
    93,153.32/128,551.56 = 50,712.16/x
  3. Step 3: Cross multiply
    93,153.32x = 128,551.56 × 50,712.16
  4. Step 4: Simplify right side
    93,153.32x = 6,519,127,278.97
  5. Step 5: Solve for x
    x = 6,519,127,278.97/93,153.32
  6. Step 6: Final answer
    x = 69,982.77

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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.