Home / 45,688.77-68,539.59-14,101.40

Finding the Fourth Proportional to 45,688.77, 68,539.59 and 14,101.40

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Solution

The fourth proportional to 45,688.77, 68,539.59 and 14,101.40 is: 21,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,688.77 : 68,539.59 = 14,101.40 : x
  2. Step 2: Convert to fraction form
    45,688.77/68,539.59 = 14,101.40/x
  3. Step 3: Cross multiply
    45,688.77x = 68,539.59 × 14,101.40
  4. Step 4: Simplify right side
    45,688.77x = 966,503,831.73
  5. Step 5: Solve for x
    x = 966,503,831.73/45,688.77
  6. Step 6: Final answer
    x = 21,154.08

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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.