Home / 104,062.17-143,605.78-56,315.52

Finding the Fourth Proportional to 104,062.17, 143,605.78 and 56,315.52

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Solution

The fourth proportional to 104,062.17, 143,605.78 and 56,315.52 is: 77,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,062.17 : 143,605.78 = 56,315.52 : x
  2. Step 2: Convert to fraction form
    104,062.17/143,605.78 = 56,315.52/x
  3. Step 3: Cross multiply
    104,062.17x = 143,605.78 × 56,315.52
  4. Step 4: Simplify right side
    104,062.17x = 8,087,234,175.71
  5. Step 5: Solve for x
    x = 8,087,234,175.71/104,062.17
  6. Step 6: Final answer
    x = 77,715.41

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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.