Home / 86,508.53-119,390.12-52,509.18

Finding the Fourth Proportional to 86,508.53, 119,390.12 and 52,509.18

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Solution

The fourth proportional to 86,508.53, 119,390.12 and 52,509.18 is: 72,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,508.53 : 119,390.12 = 52,509.18 : x
  2. Step 2: Convert to fraction form
    86,508.53/119,390.12 = 52,509.18/x
  3. Step 3: Cross multiply
    86,508.53x = 119,390.12 × 52,509.18
  4. Step 4: Simplify right side
    86,508.53x = 6,269,077,301.30
  5. Step 5: Solve for x
    x = 6,269,077,301.30/86,508.53
  6. Step 6: Final answer
    x = 72,467.74

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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.