Home / 81,395.64-112,323.36-45,095.60

Finding the Fourth Proportional to 81,395.64, 112,323.36 and 45,095.60

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Solution

The fourth proportional to 81,395.64, 112,323.36 and 45,095.60 is: 62,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,395.64 : 112,323.36 = 45,095.60 : x
  2. Step 2: Convert to fraction form
    81,395.64/112,323.36 = 45,095.60/x
  3. Step 3: Cross multiply
    81,395.64x = 112,323.36 × 45,095.60
  4. Step 4: Simplify right side
    81,395.64x = 5,065,288,751.60
  5. Step 5: Solve for x
    x = 5,065,288,751.60/81,395.64
  6. Step 6: Final answer
    x = 62,230.47

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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.