Home / 88,518.84-122,073.93-65,913.36

Finding the Fourth Proportional to 88,518.84, 122,073.93 and 65,913.36

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Solution

The fourth proportional to 88,518.84, 122,073.93 and 65,913.36 is: 90,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,518.84 : 122,073.93 = 65,913.36 : x
  2. Step 2: Convert to fraction form
    88,518.84/122,073.93 = 65,913.36/x
  3. Step 3: Cross multiply
    88,518.84x = 122,073.93 × 65,913.36
  4. Step 4: Simplify right side
    88,518.84x = 8,046,302,894.70
  5. Step 5: Solve for x
    x = 8,046,302,894.70/88,518.84
  6. Step 6: Final answer
    x = 90,899.33

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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.