Home / 86,485.02-119,349.18-48,759.30

Finding the Fourth Proportional to 86,485.02, 119,349.18 and 48,759.30

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Solution

The fourth proportional to 86,485.02, 119,349.18 and 48,759.30 is: 67,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,485.02 : 119,349.18 = 48,759.30 : x
  2. Step 2: Convert to fraction form
    86,485.02/119,349.18 = 48,759.30/x
  3. Step 3: Cross multiply
    86,485.02x = 119,349.18 × 48,759.30
  4. Step 4: Simplify right side
    86,485.02x = 5,819,382,472.37
  5. Step 5: Solve for x
    x = 5,819,382,472.37/86,485.02
  6. Step 6: Final answer
    x = 67,287.75

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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.