Home / 93,777.75-140,666.63-28,113.75

Finding the Fourth Proportional to 93,777.75, 140,666.63 and 28,113.75

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Solution

The fourth proportional to 93,777.75, 140,666.63 and 28,113.75 is: 42,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,777.75 : 140,666.63 = 28,113.75 : x
  2. Step 2: Convert to fraction form
    93,777.75/140,666.63 = 28,113.75/x
  3. Step 3: Cross multiply
    93,777.75x = 140,666.63 × 28,113.75
  4. Step 4: Simplify right side
    93,777.75x = 3,954,666,328.59
  5. Step 5: Solve for x
    x = 3,954,666,328.59/93,777.75
  6. Step 6: Final answer
    x = 42,170.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.