Home / 64,830.48-89,467.80-36,537.12

Finding the Fourth Proportional to 64,830.48, 89,467.80 and 36,537.12

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Solution

The fourth proportional to 64,830.48, 89,467.80 and 36,537.12 is: 50,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,830.48 : 89,467.80 = 36,537.12 : x
  2. Step 2: Convert to fraction form
    64,830.48/89,467.80 = 36,537.12/x
  3. Step 3: Cross multiply
    64,830.48x = 89,467.80 × 36,537.12
  4. Step 4: Simplify right side
    64,830.48x = 3,268,895,744.74
  5. Step 5: Solve for x
    x = 3,268,895,744.74/64,830.48
  6. Step 6: Final answer
    x = 50,422.20

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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.