Home / 70,036.23-96,636.26-39,816.35

Finding the Fourth Proportional to 70,036.23, 96,636.26 and 39,816.35

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Solution

The fourth proportional to 70,036.23, 96,636.26 and 39,816.35 is: 54,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,036.23 : 96,636.26 = 39,816.35 : x
  2. Step 2: Convert to fraction form
    70,036.23/96,636.26 = 39,816.35/x
  3. Step 3: Cross multiply
    70,036.23x = 96,636.26 × 39,816.35
  4. Step 4: Simplify right side
    70,036.23x = 3,847,702,468.59
  5. Step 5: Solve for x
    x = 3,847,702,468.59/70,036.23
  6. Step 6: Final answer
    x = 54,938.74

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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.