Home / 86,271.68-119,077.44-52,765.76

Finding the Fourth Proportional to 86,271.68, 119,077.44 and 52,765.76

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Solution

The fourth proportional to 86,271.68, 119,077.44 and 52,765.76 is: 72,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,271.68 : 119,077.44 = 52,765.76 : x
  2. Step 2: Convert to fraction form
    86,271.68/119,077.44 = 52,765.76/x
  3. Step 3: Cross multiply
    86,271.68x = 119,077.44 × 52,765.76
  4. Step 4: Simplify right side
    86,271.68x = 6,283,211,620.45
  5. Step 5: Solve for x
    x = 6,283,211,620.45/86,271.68
  6. Step 6: Final answer
    x = 72,830.52

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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.