Home / 86,950.72-120,010.64-52,970.24

Finding the Fourth Proportional to 86,950.72, 120,010.64 and 52,970.24

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Solution

The fourth proportional to 86,950.72, 120,010.64 and 52,970.24 is: 73,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,950.72 : 120,010.64 = 52,970.24 : x
  2. Step 2: Convert to fraction form
    86,950.72/120,010.64 = 52,970.24/x
  3. Step 3: Cross multiply
    86,950.72x = 120,010.64 × 52,970.24
  4. Step 4: Simplify right side
    86,950.72x = 6,356,992,403.35
  5. Step 5: Solve for x
    x = 6,356,992,403.35/86,950.72
  6. Step 6: Final answer
    x = 73,110.29

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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.