Home / 86,944.69-130,417.08-47,480.23

Finding the Fourth Proportional to 86,944.69, 130,417.08 and 47,480.23

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Solution

The fourth proportional to 86,944.69, 130,417.08 and 47,480.23 is: 71,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,944.69 : 130,417.08 = 47,480.23 : x
  2. Step 2: Convert to fraction form
    86,944.69/130,417.08 = 47,480.23/x
  3. Step 3: Cross multiply
    86,944.69x = 130,417.08 × 47,480.23
  4. Step 4: Simplify right side
    86,944.69x = 6,192,232,954.33
  5. Step 5: Solve for x
    x = 6,192,232,954.33/86,944.69
  6. Step 6: Final answer
    x = 71,220.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.