Home / 86,505.18-119,356.77-52,512.84

Finding the Fourth Proportional to 86,505.18, 119,356.77 and 52,512.84

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Solution

The fourth proportional to 86,505.18, 119,356.77 and 52,512.84 is: 72,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,505.18 : 119,356.77 = 52,512.84 : x
  2. Step 2: Convert to fraction form
    86,505.18/119,356.77 = 52,512.84/x
  3. Step 3: Cross multiply
    86,505.18x = 119,356.77 × 52,512.84
  4. Step 4: Simplify right side
    86,505.18x = 6,267,762,965.93
  5. Step 5: Solve for x
    x = 6,267,762,965.93/86,505.18
  6. Step 6: Final answer
    x = 72,455.35

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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.