Home / 93,220.32-128,644.40-50,778.48

Finding the Fourth Proportional to 93,220.32, 128,644.40 and 50,778.48

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Solution

The fourth proportional to 93,220.32, 128,644.40 and 50,778.48 is: 70,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,220.32 : 128,644.40 = 50,778.48 : x
  2. Step 2: Convert to fraction form
    93,220.32/128,644.40 = 50,778.48/x
  3. Step 3: Cross multiply
    93,220.32x = 128,644.40 × 50,778.48
  4. Step 4: Simplify right side
    93,220.32x = 6,532,367,092.51
  5. Step 5: Solve for x
    x = 6,532,367,092.51/93,220.32
  6. Step 6: Final answer
    x = 70,074.50

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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.