Home / 86,712.24-130,085.94-49,290.24

Finding the Fourth Proportional to 86,712.24, 130,085.94 and 49,290.24

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Solution

The fourth proportional to 86,712.24, 130,085.94 and 49,290.24 is: 73,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,712.24 : 130,085.94 = 49,290.24 : x
  2. Step 2: Convert to fraction form
    86,712.24/130,085.94 = 49,290.24/x
  3. Step 3: Cross multiply
    86,712.24x = 130,085.94 × 49,290.24
  4. Step 4: Simplify right side
    86,712.24x = 6,411,967,203.23
  5. Step 5: Solve for x
    x = 6,411,967,203.23/86,712.24
  6. Step 6: Final answer
    x = 73,945.35

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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.