Home / 67,389.84-92,999.34-39,097.35

Finding the Fourth Proportional to 67,389.84, 92,999.34 and 39,097.35

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Solution

The fourth proportional to 67,389.84, 92,999.34 and 39,097.35 is: 53,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,389.84 : 92,999.34 = 39,097.35 : x
  2. Step 2: Convert to fraction form
    67,389.84/92,999.34 = 39,097.35/x
  3. Step 3: Cross multiply
    67,389.84x = 92,999.34 × 39,097.35
  4. Step 4: Simplify right side
    67,389.84x = 3,636,027,745.75
  5. Step 5: Solve for x
    x = 3,636,027,745.75/67,389.84
  6. Step 6: Final answer
    x = 53,955.13

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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.