Home / 84,370.05-116,445.74-64,196.19

Finding the Fourth Proportional to 84,370.05, 116,445.74 and 64,196.19

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Solution

The fourth proportional to 84,370.05, 116,445.74 and 64,196.19 is: 88,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,370.05 : 116,445.74 = 64,196.19 : x
  2. Step 2: Convert to fraction form
    84,370.05/116,445.74 = 64,196.19/x
  3. Step 3: Cross multiply
    84,370.05x = 116,445.74 × 64,196.19
  4. Step 4: Simplify right side
    84,370.05x = 7,475,372,528.75
  5. Step 5: Solve for x
    x = 7,475,372,528.75/84,370.05
  6. Step 6: Final answer
    x = 88,602.21

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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.