Home / 55,551.74-76,639.98-38,547.48

Finding the Fourth Proportional to 55,551.74, 76,639.98 and 38,547.48

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Solution

The fourth proportional to 55,551.74, 76,639.98 and 38,547.48 is: 53,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551.74 : 76,639.98 = 38,547.48 : x
  2. Step 2: Convert to fraction form
    55,551.74/76,639.98 = 38,547.48/x
  3. Step 3: Cross multiply
    55,551.74x = 76,639.98 × 38,547.48
  4. Step 4: Simplify right side
    55,551.74x = 2,954,278,096.25
  5. Step 5: Solve for x
    x = 2,954,278,096.25/55,551.74
  6. Step 6: Final answer
    x = 53,180.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.