Home / 93,170.48-128,572.45-51,777.33

Finding the Fourth Proportional to 93,170.48, 128,572.45 and 51,777.33

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Solution

The fourth proportional to 93,170.48, 128,572.45 and 51,777.33 is: 71,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,170.48 : 128,572.45 = 51,777.33 : x
  2. Step 2: Convert to fraction form
    93,170.48/128,572.45 = 51,777.33/x
  3. Step 3: Cross multiply
    93,170.48x = 128,572.45 × 51,777.33
  4. Step 4: Simplify right side
    93,170.48x = 6,657,137,560.97
  5. Step 5: Solve for x
    x = 6,657,137,560.97/93,170.48
  6. Step 6: Final answer
    x = 71,451.15

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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.