Home / 85,816.37-118,429.47-47,573.63

Finding the Fourth Proportional to 85,816.37, 118,429.47 and 47,573.63

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Solution

The fourth proportional to 85,816.37, 118,429.47 and 47,573.63 is: 65,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,816.37 : 118,429.47 = 47,573.63 : x
  2. Step 2: Convert to fraction form
    85,816.37/118,429.47 = 47,573.63/x
  3. Step 3: Cross multiply
    85,816.37x = 118,429.47 × 47,573.63
  4. Step 4: Simplify right side
    85,816.37x = 5,634,119,968.48
  5. Step 5: Solve for x
    x = 5,634,119,968.48/85,816.37
  6. Step 6: Final answer
    x = 65,653.21

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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.