Home / 80,280.14-110,681.58-69,070.06

Finding the Fourth Proportional to 80,280.14, 110,681.58 and 69,070.06

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Solution

The fourth proportional to 80,280.14, 110,681.58 and 69,070.06 is: 95,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,280.14 : 110,681.58 = 69,070.06 : x
  2. Step 2: Convert to fraction form
    80,280.14/110,681.58 = 69,070.06/x
  3. Step 3: Cross multiply
    80,280.14x = 110,681.58 × 69,070.06
  4. Step 4: Simplify right side
    80,280.14x = 7,644,782,971.92
  5. Step 5: Solve for x
    x = 7,644,782,971.92/80,280.14
  6. Step 6: Final answer
    x = 95,226.33

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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.