Home / 86,739.16-119,798.58-58,395.64

Finding the Fourth Proportional to 86,739.16, 119,798.58 and 58,395.64

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Solution

The fourth proportional to 86,739.16, 119,798.58 and 58,395.64 is: 80,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,739.16 : 119,798.58 = 58,395.64 : x
  2. Step 2: Convert to fraction form
    86,739.16/119,798.58 = 58,395.64/x
  3. Step 3: Cross multiply
    86,739.16x = 119,798.58 × 58,395.64
  4. Step 4: Simplify right side
    86,739.16x = 6,995,714,750.19
  5. Step 5: Solve for x
    x = 6,995,714,750.19/86,739.16
  6. Step 6: Final answer
    x = 80,652.32

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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.