Home / 88,772.61-122,506.20-48,486.47

Finding the Fourth Proportional to 88,772.61, 122,506.20 and 48,486.47

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Solution

The fourth proportional to 88,772.61, 122,506.20 and 48,486.47 is: 66,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,772.61 : 122,506.20 = 48,486.47 : x
  2. Step 2: Convert to fraction form
    88,772.61/122,506.20 = 48,486.47/x
  3. Step 3: Cross multiply
    88,772.61x = 122,506.20 × 48,486.47
  4. Step 4: Simplify right side
    88,772.61x = 5,939,892,457.37
  5. Step 5: Solve for x
    x = 5,939,892,457.37/88,772.61
  6. Step 6: Final answer
    x = 66,911.32

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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.