Home / 83,360.40-115,037.16-45,634.32

Finding the Fourth Proportional to 83,360.40, 115,037.16 and 45,634.32

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Solution

The fourth proportional to 83,360.40, 115,037.16 and 45,634.32 is: 62,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,360.40 : 115,037.16 = 45,634.32 : x
  2. Step 2: Convert to fraction form
    83,360.40/115,037.16 = 45,634.32/x
  3. Step 3: Cross multiply
    83,360.40x = 115,037.16 × 45,634.32
  4. Step 4: Simplify right side
    83,360.40x = 5,249,642,571.33
  5. Step 5: Solve for x
    x = 5,249,642,571.33/83,360.40
  6. Step 6: Final answer
    x = 62,975.26

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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.