Home / 64,389.20-96,583.80-56,613.20

Finding the Fourth Proportional to 64,389.20, 96,583.80 and 56,613.20

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Solution

The fourth proportional to 64,389.20, 96,583.80 and 56,613.20 is: 84,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,389.20 : 96,583.80 = 56,613.20 : x
  2. Step 2: Convert to fraction form
    64,389.20/96,583.80 = 56,613.20/x
  3. Step 3: Cross multiply
    64,389.20x = 96,583.80 × 56,613.20
  4. Step 4: Simplify right side
    64,389.20x = 5,467,917,986.16
  5. Step 5: Solve for x
    x = 5,467,917,986.16/64,389.20
  6. Step 6: Final answer
    x = 84,919.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.