Home / 67,698.84-93,427.61-40,840.77

Finding the Fourth Proportional to 67,698.84, 93,427.61 and 40,840.77

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Solution

The fourth proportional to 67,698.84, 93,427.61 and 40,840.77 is: 56,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,698.84 : 93,427.61 = 40,840.77 : x
  2. Step 2: Convert to fraction form
    67,698.84/93,427.61 = 40,840.77/x
  3. Step 3: Cross multiply
    67,698.84x = 93,427.61 × 40,840.77
  4. Step 4: Simplify right side
    67,698.84x = 3,815,655,341.09
  5. Step 5: Solve for x
    x = 3,815,655,341.09/67,698.84
  6. Step 6: Final answer
    x = 56,362.20

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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.