Home / 69,636.80-96,036.90-56,203.76

Finding the Fourth Proportional to 69,636.80, 96,036.90 and 56,203.76

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Solution

The fourth proportional to 69,636.80, 96,036.90 and 56,203.76 is: 77,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,636.80 : 96,036.90 = 56,203.76 : x
  2. Step 2: Convert to fraction form
    69,636.80/96,036.90 = 56,203.76/x
  3. Step 3: Cross multiply
    69,636.80x = 96,036.90 × 56,203.76
  4. Step 4: Simplify right side
    69,636.80x = 5,397,634,878.74
  5. Step 5: Solve for x
    x = 5,397,634,878.74/69,636.80
  6. Step 6: Final answer
    x = 77,511.24

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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.