Home / 88,186.24-121,678.08-52,388.32

Finding the Fourth Proportional to 88,186.24, 121,678.08 and 52,388.32

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Solution

The fourth proportional to 88,186.24, 121,678.08 and 52,388.32 is: 72,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,186.24 : 121,678.08 = 52,388.32 : x
  2. Step 2: Convert to fraction form
    88,186.24/121,678.08 = 52,388.32/x
  3. Step 3: Cross multiply
    88,186.24x = 121,678.08 × 52,388.32
  4. Step 4: Simplify right side
    88,186.24x = 6,374,510,192.03
  5. Step 5: Solve for x
    x = 6,374,510,192.03/88,186.24
  6. Step 6: Final answer
    x = 72,284.64

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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.