Home / 123,511.96-170,448.47-69,070.24

Finding the Fourth Proportional to 123,511.96, 170,448.47 and 69,070.24

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Solution

The fourth proportional to 123,511.96, 170,448.47 and 69,070.24 is: 95,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,511.96 : 170,448.47 = 69,070.24 : x
  2. Step 2: Convert to fraction form
    123,511.96/170,448.47 = 69,070.24/x
  3. Step 3: Cross multiply
    123,511.96x = 170,448.47 × 69,070.24
  4. Step 4: Simplify right side
    123,511.96x = 11,772,916,730.53
  5. Step 5: Solve for x
    x = 11,772,916,730.53/123,511.96
  6. Step 6: Final answer
    x = 95,318.03

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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.