Home / 85,444.13-117,916.26-49,145.51

Finding the Fourth Proportional to 85,444.13, 117,916.26 and 49,145.51

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Solution

The fourth proportional to 85,444.13, 117,916.26 and 49,145.51 is: 67,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,444.13 : 117,916.26 = 49,145.51 : x
  2. Step 2: Convert to fraction form
    85,444.13/117,916.26 = 49,145.51/x
  3. Step 3: Cross multiply
    85,444.13x = 117,916.26 × 49,145.51
  4. Step 4: Simplify right side
    85,444.13x = 5,795,054,734.99
  5. Step 5: Solve for x
    x = 5,795,054,734.99/85,444.13
  6. Step 6: Final answer
    x = 67,822.74

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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.