Home / 104,316.17-143,955.05-56,568.94

Finding the Fourth Proportional to 104,316.17, 143,955.05 and 56,568.94

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Solution

The fourth proportional to 104,316.17, 143,955.05 and 56,568.94 is: 78,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,316.17 : 143,955.05 = 56,568.94 : x
  2. Step 2: Convert to fraction form
    104,316.17/143,955.05 = 56,568.94/x
  3. Step 3: Cross multiply
    104,316.17x = 143,955.05 × 56,568.94
  4. Step 4: Simplify right side
    104,316.17x = 8,143,383,943.41
  5. Step 5: Solve for x
    x = 8,143,383,943.41/104,316.17
  6. Step 6: Final answer
    x = 78,064.45

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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.