Home / 86,477.20-119,320.34-52,503.54

Finding the Fourth Proportional to 86,477.20, 119,320.34 and 52,503.54

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Solution

The fourth proportional to 86,477.20, 119,320.34 and 52,503.54 is: 72,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,477.20 : 119,320.34 = 52,503.54 : x
  2. Step 2: Convert to fraction form
    86,477.20/119,320.34 = 52,503.54/x
  3. Step 3: Cross multiply
    86,477.20x = 119,320.34 × 52,503.54
  4. Step 4: Simplify right side
    86,477.20x = 6,264,740,244.00
  5. Step 5: Solve for x
    x = 6,264,740,244.00/86,477.20
  6. Step 6: Final answer
    x = 72,443.84

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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.