Home / 117,074.84-161,563.28-63,360.24

Finding the Fourth Proportional to 117,074.84, 161,563.28 and 63,360.24

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Solution

The fourth proportional to 117,074.84, 161,563.28 and 63,360.24 is: 87,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,074.84 : 161,563.28 = 63,360.24 : x
  2. Step 2: Convert to fraction form
    117,074.84/161,563.28 = 63,360.24/x
  3. Step 3: Cross multiply
    117,074.84x = 161,563.28 × 63,360.24
  4. Step 4: Simplify right side
    117,074.84x = 10,236,688,195.99
  5. Step 5: Solve for x
    x = 10,236,688,195.99/117,074.84
  6. Step 6: Final answer
    x = 87,437.13

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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.