Home / 86,623.84-119,538.48-48,901.60

Finding the Fourth Proportional to 86,623.84, 119,538.48 and 48,901.60

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Solution

The fourth proportional to 86,623.84, 119,538.48 and 48,901.60 is: 67,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,623.84 : 119,538.48 = 48,901.60 : x
  2. Step 2: Convert to fraction form
    86,623.84/119,538.48 = 48,901.60/x
  3. Step 3: Cross multiply
    86,623.84x = 119,538.48 × 48,901.60
  4. Step 4: Simplify right side
    86,623.84x = 5,845,622,933.57
  5. Step 5: Solve for x
    x = 5,845,622,933.57/86,623.84
  6. Step 6: Final answer
    x = 67,482.84

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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.