Home / 93,079.52-128,445.96-50,638.22

Finding the Fourth Proportional to 93,079.52, 128,445.96 and 50,638.22

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Solution

The fourth proportional to 93,079.52, 128,445.96 and 50,638.22 is: 69,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,079.52 : 128,445.96 = 50,638.22 : x
  2. Step 2: Convert to fraction form
    93,079.52/128,445.96 = 50,638.22/x
  3. Step 3: Cross multiply
    93,079.52x = 128,445.96 × 50,638.22
  4. Step 4: Simplify right side
    93,079.52x = 6,504,274,780.59
  5. Step 5: Solve for x
    x = 6,504,274,780.59/93,079.52
  6. Step 6: Final answer
    x = 69,878.69

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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.