Home / 112,943.93-169,431.53-38,085.48

Finding the Fourth Proportional to 112,943.93, 169,431.53 and 38,085.48

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Solution

The fourth proportional to 112,943.93, 169,431.53 and 38,085.48 is: 57,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,943.93 : 169,431.53 = 38,085.48 : x
  2. Step 2: Convert to fraction form
    112,943.93/169,431.53 = 38,085.48/x
  3. Step 3: Cross multiply
    112,943.93x = 169,431.53 × 38,085.48
  4. Step 4: Simplify right side
    112,943.93x = 6,452,880,956.76
  5. Step 5: Solve for x
    x = 6,452,880,956.76/112,943.93
  6. Step 6: Final answer
    x = 57,133.49

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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.