Home / 55,688.74-83,531.86-13,569.01

Finding the Fourth Proportional to 55,688.74, 83,531.86 and 13,569.01

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Solution

The fourth proportional to 55,688.74, 83,531.86 and 13,569.01 is: 20,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,688.74 : 83,531.86 = 13,569.01 : x
  2. Step 2: Convert to fraction form
    55,688.74/83,531.86 = 13,569.01/x
  3. Step 3: Cross multiply
    55,688.74x = 83,531.86 × 13,569.01
  4. Step 4: Simplify right side
    55,688.74x = 1,133,444,400.91
  5. Step 5: Solve for x
    x = 1,133,444,400.91/55,688.74
  6. Step 6: Final answer
    x = 20,353.21

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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.