Home / 66,499.12-99,752.10-63,136

Finding the Fourth Proportional to 66,499.12, 99,752.10 and 63,136

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Solution

The fourth proportional to 66,499.12, 99,752.10 and 63,136 is: 94,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,499.12 : 99,752.10 = 63,136 : x
  2. Step 2: Convert to fraction form
    66,499.12/99,752.10 = 63,136/x
  3. Step 3: Cross multiply
    66,499.12x = 99,752.10 × 63,136
  4. Step 4: Simplify right side
    66,499.12x = 6,297,948,585.60
  5. Step 5: Solve for x
    x = 6,297,948,585.60/66,499.12
  6. Step 6: Final answer
    x = 94,707.25

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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.