Home / 84,312.23-116,405.12-54,110.57

Finding the Fourth Proportional to 84,312.23, 116,405.12 and 54,110.57

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Solution

The fourth proportional to 84,312.23, 116,405.12 and 54,110.57 is: 74,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,312.23 : 116,405.12 = 54,110.57 : x
  2. Step 2: Convert to fraction form
    84,312.23/116,405.12 = 54,110.57/x
  3. Step 3: Cross multiply
    84,312.23x = 116,405.12 × 54,110.57
  4. Step 4: Simplify right side
    84,312.23x = 6,298,747,394.12
  5. Step 5: Solve for x
    x = 6,298,747,394.12/84,312.23
  6. Step 6: Final answer
    x = 74,707.40

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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.