Home / 93,160.60-128,554.38-50,718.28

Finding the Fourth Proportional to 93,160.60, 128,554.38 and 50,718.28

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Solution

The fourth proportional to 93,160.60, 128,554.38 and 50,718.28 is: 69,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,160.60 : 128,554.38 = 50,718.28 : x
  2. Step 2: Convert to fraction form
    93,160.60/128,554.38 = 50,718.28/x
  3. Step 3: Cross multiply
    93,160.60x = 128,554.38 × 50,718.28
  4. Step 4: Simplify right side
    93,160.60x = 6,520,057,040.07
  5. Step 5: Solve for x
    x = 6,520,057,040.07/93,160.60
  6. Step 6: Final answer
    x = 69,987.28

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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.