Home / 93,047.76-128,418.36-52,776.12

Finding the Fourth Proportional to 93,047.76, 128,418.36 and 52,776.12

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Solution

The fourth proportional to 93,047.76, 128,418.36 and 52,776.12 is: 72,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,047.76 : 128,418.36 = 52,776.12 : x
  2. Step 2: Convert to fraction form
    93,047.76/128,418.36 = 52,776.12/x
  3. Step 3: Cross multiply
    93,047.76x = 128,418.36 × 52,776.12
  4. Step 4: Simplify right side
    93,047.76x = 6,777,422,777.56
  5. Step 5: Solve for x
    x = 6,777,422,777.56/93,047.76
  6. Step 6: Final answer
    x = 72,838.11

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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.