Home / 68,018.84-93,877.14-56,670.34

Finding the Fourth Proportional to 68,018.84, 93,877.14 and 56,670.34

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Solution

The fourth proportional to 68,018.84, 93,877.14 and 56,670.34 is: 78,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.84 : 93,877.14 = 56,670.34 : x
  2. Step 2: Convert to fraction form
    68,018.84/93,877.14 = 56,670.34/x
  3. Step 3: Cross multiply
    68,018.84x = 93,877.14 × 56,670.34
  4. Step 4: Simplify right side
    68,018.84x = 5,320,049,442.03
  5. Step 5: Solve for x
    x = 5,320,049,442.03/68,018.84
  6. Step 6: Final answer
    x = 78,214.35

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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.