Home / 70,036.80-96,651.48-38,206.35

Finding the Fourth Proportional to 70,036.80, 96,651.48 and 38,206.35

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Solution

The fourth proportional to 70,036.80, 96,651.48 and 38,206.35 is: 52,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,036.80 : 96,651.48 = 38,206.35 : x
  2. Step 2: Convert to fraction form
    70,036.80/96,651.48 = 38,206.35/x
  3. Step 3: Cross multiply
    70,036.80x = 96,651.48 × 38,206.35
  4. Step 4: Simplify right side
    70,036.80x = 3,692,700,272.90
  5. Step 5: Solve for x
    x = 3,692,700,272.90/70,036.80
  6. Step 6: Final answer
    x = 52,725.14

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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.