Home / 86,043.52-118,715.79-51,574.24

Finding the Fourth Proportional to 86,043.52, 118,715.79 and 51,574.24

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Solution

The fourth proportional to 86,043.52, 118,715.79 and 51,574.24 is: 71,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,043.52 : 118,715.79 = 51,574.24 : x
  2. Step 2: Convert to fraction form
    86,043.52/118,715.79 = 51,574.24/x
  3. Step 3: Cross multiply
    86,043.52x = 118,715.79 × 51,574.24
  4. Step 4: Simplify right side
    86,043.52x = 6,122,676,645.25
  5. Step 5: Solve for x
    x = 6,122,676,645.25/86,043.52
  6. Step 6: Final answer
    x = 71,157.91

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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.