Home / 68,005.18-93,762.78-45,294.40

Finding the Fourth Proportional to 68,005.18, 93,762.78 and 45,294.40

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Solution

The fourth proportional to 68,005.18, 93,762.78 and 45,294.40 is: 62,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,005.18 : 93,762.78 = 45,294.40 : x
  2. Step 2: Convert to fraction form
    68,005.18/93,762.78 = 45,294.40/x
  3. Step 3: Cross multiply
    68,005.18x = 93,762.78 × 45,294.40
  4. Step 4: Simplify right side
    68,005.18x = 4,246,928,862.43
  5. Step 5: Solve for x
    x = 4,246,928,862.43/68,005.18
  6. Step 6: Final answer
    x = 62,450.08

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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.