Home / 88,085.07-121,536.32-50,349.87

Finding the Fourth Proportional to 88,085.07, 121,536.32 and 50,349.87

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Solution

The fourth proportional to 88,085.07, 121,536.32 and 50,349.87 is: 69,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,085.07 : 121,536.32 = 50,349.87 : x
  2. Step 2: Convert to fraction form
    88,085.07/121,536.32 = 50,349.87/x
  3. Step 3: Cross multiply
    88,085.07x = 121,536.32 × 50,349.87
  4. Step 4: Simplify right side
    88,085.07x = 6,119,337,660.53
  5. Step 5: Solve for x
    x = 6,119,337,660.53/88,085.07
  6. Step 6: Final answer
    x = 69,470.77

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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.