Home / 84,316.23-116,410.65-54,114.57

Finding the Fourth Proportional to 84,316.23, 116,410.65 and 54,114.57

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Solution

The fourth proportional to 84,316.23, 116,410.65 and 54,114.57 is: 74,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,316.23 : 116,410.65 = 54,114.57 : x
  2. Step 2: Convert to fraction form
    84,316.23/116,410.65 = 54,114.57/x
  3. Step 3: Cross multiply
    84,316.23x = 116,410.65 × 54,114.57
  4. Step 4: Simplify right side
    84,316.23x = 6,299,512,268.17
  5. Step 5: Solve for x
    x = 6,299,512,268.17/84,316.23
  6. Step 6: Final answer
    x = 74,712.93

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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.