Home / 88,930.76-122,728.38-51,217.16

Finding the Fourth Proportional to 88,930.76, 122,728.38 and 51,217.16

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Solution

The fourth proportional to 88,930.76, 122,728.38 and 51,217.16 is: 70,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,930.76 : 122,728.38 = 51,217.16 : x
  2. Step 2: Convert to fraction form
    88,930.76/122,728.38 = 51,217.16/x
  3. Step 3: Cross multiply
    88,930.76x = 122,728.38 × 51,217.16
  4. Step 4: Simplify right side
    88,930.76x = 6,285,799,075.00
  5. Step 5: Solve for x
    x = 6,285,799,075.00/88,930.76
  6. Step 6: Final answer
    x = 70,681.94

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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.