Home / 55,684.56-76,848.36-30,534.06

Finding the Fourth Proportional to 55,684.56, 76,848.36 and 30,534.06

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Solution

The fourth proportional to 55,684.56, 76,848.36 and 30,534.06 is: 42,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,684.56 : 76,848.36 = 30,534.06 : x
  2. Step 2: Convert to fraction form
    55,684.56/76,848.36 = 30,534.06/x
  3. Step 3: Cross multiply
    55,684.56x = 76,848.36 × 30,534.06
  4. Step 4: Simplify right side
    55,684.56x = 2,346,492,435.14
  5. Step 5: Solve for x
    x = 2,346,492,435.14/55,684.56
  6. Step 6: Final answer
    x = 42,139.01

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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.