Home / 68,018.99-93,922.86-56,747.57

Finding the Fourth Proportional to 68,018.99, 93,922.86 and 56,747.57

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Solution

The fourth proportional to 68,018.99, 93,922.86 and 56,747.57 is: 78,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.99 : 93,922.86 = 56,747.57 : x
  2. Step 2: Convert to fraction form
    68,018.99/93,922.86 = 56,747.57/x
  3. Step 3: Cross multiply
    68,018.99x = 93,922.86 × 56,747.57
  4. Step 4: Simplify right side
    68,018.99x = 5,329,893,602.84
  5. Step 5: Solve for x
    x = 5,329,893,602.84/68,018.99
  6. Step 6: Final answer
    x = 78,358.91

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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.