Home / 100,277.52-138,346.08-59,992.32

Finding the Fourth Proportional to 100,277.52, 138,346.08 and 59,992.32

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Solution

The fourth proportional to 100,277.52, 138,346.08 and 59,992.32 is: 82,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,277.52 : 138,346.08 = 59,992.32 : x
  2. Step 2: Convert to fraction form
    100,277.52/138,346.08 = 59,992.32/x
  3. Step 3: Cross multiply
    100,277.52x = 138,346.08 × 59,992.32
  4. Step 4: Simplify right side
    100,277.52x = 8,299,702,302.11
  5. Step 5: Solve for x
    x = 8,299,702,302.11/100,277.52
  6. Step 6: Final answer
    x = 82,767.33

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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.