Home / 85,080.04-117,405.80-46,838.12

Finding the Fourth Proportional to 85,080.04, 117,405.80 and 46,838.12

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Solution

The fourth proportional to 85,080.04, 117,405.80 and 46,838.12 is: 64,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,080.04 : 117,405.80 = 46,838.12 : x
  2. Step 2: Convert to fraction form
    85,080.04/117,405.80 = 46,838.12/x
  3. Step 3: Cross multiply
    85,080.04x = 117,405.80 × 46,838.12
  4. Step 4: Simplify right side
    85,080.04x = 5,499,066,566.98
  5. Step 5: Solve for x
    x = 5,499,066,566.98/85,080.04
  6. Step 6: Final answer
    x = 64,634.04

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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.