Home / 113,313.04-169,969.50-53,968.78

Finding the Fourth Proportional to 113,313.04, 169,969.50 and 53,968.78

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Solution

The fourth proportional to 113,313.04, 169,969.50 and 53,968.78 is: 80,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,313.04 : 169,969.50 = 53,968.78 : x
  2. Step 2: Convert to fraction form
    113,313.04/169,969.50 = 53,968.78/x
  3. Step 3: Cross multiply
    113,313.04x = 169,969.50 × 53,968.78
  4. Step 4: Simplify right side
    113,313.04x = 9,173,046,552.21
  5. Step 5: Solve for x
    x = 9,173,046,552.21/113,313.04
  6. Step 6: Final answer
    x = 80,953.14

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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.