Home / 88,924.76-122,720.10-51,211.16

Finding the Fourth Proportional to 88,924.76, 122,720.10 and 51,211.16

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Solution

The fourth proportional to 88,924.76, 122,720.10 and 51,211.16 is: 70,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,924.76 : 122,720.10 = 51,211.16 : x
  2. Step 2: Convert to fraction form
    88,924.76/122,720.10 = 51,211.16/x
  3. Step 3: Cross multiply
    88,924.76x = 122,720.10 × 51,211.16
  4. Step 4: Simplify right side
    88,924.76x = 6,284,638,676.32
  5. Step 5: Solve for x
    x = 6,284,638,676.32/88,924.76
  6. Step 6: Final answer
    x = 70,673.66

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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.