Home / 86,509.32-119,382.66-48,783.30

Finding the Fourth Proportional to 86,509.32, 119,382.66 and 48,783.30

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Solution

The fourth proportional to 86,509.32, 119,382.66 and 48,783.30 is: 67,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,509.32 : 119,382.66 = 48,783.30 : x
  2. Step 2: Convert to fraction form
    86,509.32/119,382.66 = 48,783.30/x
  3. Step 3: Cross multiply
    86,509.32x = 119,382.66 × 48,783.30
  4. Step 4: Simplify right side
    86,509.32x = 5,823,880,117.58
  5. Step 5: Solve for x
    x = 5,823,880,117.58/86,509.32
  6. Step 6: Final answer
    x = 67,320.84

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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.