Home / 88,670.18-122,365.19-48,384.77

Finding the Fourth Proportional to 88,670.18, 122,365.19 and 48,384.77

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Solution

The fourth proportional to 88,670.18, 122,365.19 and 48,384.77 is: 66,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,670.18 : 122,365.19 = 48,384.77 : x
  2. Step 2: Convert to fraction form
    88,670.18/122,365.19 = 48,384.77/x
  3. Step 3: Cross multiply
    88,670.18x = 122,365.19 × 48,384.77
  4. Step 4: Simplify right side
    88,670.18x = 5,920,610,720.41
  5. Step 5: Solve for x
    x = 5,920,610,720.41/88,670.18
  6. Step 6: Final answer
    x = 66,771.16

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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.