Home / 86,235.02-119,004.36-48,509.30

Finding the Fourth Proportional to 86,235.02, 119,004.36 and 48,509.30

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Solution

The fourth proportional to 86,235.02, 119,004.36 and 48,509.30 is: 66,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,235.02 : 119,004.36 = 48,509.30 : x
  2. Step 2: Convert to fraction form
    86,235.02/119,004.36 = 48,509.30/x
  3. Step 3: Cross multiply
    86,235.02x = 119,004.36 × 48,509.30
  4. Step 4: Simplify right side
    86,235.02x = 5,772,818,200.55
  5. Step 5: Solve for x
    x = 5,772,818,200.55/86,235.02
  6. Step 6: Final answer
    x = 66,942.85

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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.