Home / 84,895.23-117,156.11-53,082.57

Finding the Fourth Proportional to 84,895.23, 117,156.11 and 53,082.57

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Solution

The fourth proportional to 84,895.23, 117,156.11 and 53,082.57 is: 73,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,895.23 : 117,156.11 = 53,082.57 : x
  2. Step 2: Convert to fraction form
    84,895.23/117,156.11 = 53,082.57/x
  3. Step 3: Cross multiply
    84,895.23x = 117,156.11 × 53,082.57
  4. Step 4: Simplify right side
    84,895.23x = 6,218,947,410.00
  5. Step 5: Solve for x
    x = 6,218,947,410.00/84,895.23
  6. Step 6: Final answer
    x = 73,254.38

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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.