Home / 45,468.81-68,213.75-14,303.25

Finding the Fourth Proportional to 45,468.81, 68,213.75 and 14,303.25

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Solution

The fourth proportional to 45,468.81, 68,213.75 and 14,303.25 is: 21,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,468.81 : 68,213.75 = 14,303.25 : x
  2. Step 2: Convert to fraction form
    45,468.81/68,213.75 = 14,303.25/x
  3. Step 3: Cross multiply
    45,468.81x = 68,213.75 × 14,303.25
  4. Step 4: Simplify right side
    45,468.81x = 975,678,248.17
  5. Step 5: Solve for x
    x = 975,678,248.17/45,468.81
  6. Step 6: Final answer
    x = 21,458.19

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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.