Home / 55,848.39-77,070.69-30,354.70

Finding the Fourth Proportional to 55,848.39, 77,070.69 and 30,354.70

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Solution

The fourth proportional to 55,848.39, 77,070.69 and 30,354.70 is: 41,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,848.39 : 77,070.69 = 30,354.70 : x
  2. Step 2: Convert to fraction form
    55,848.39/77,070.69 = 30,354.70/x
  3. Step 3: Cross multiply
    55,848.39x = 77,070.69 × 30,354.70
  4. Step 4: Simplify right side
    55,848.39x = 2,339,457,625.57
  5. Step 5: Solve for x
    x = 2,339,457,625.57/55,848.39
  6. Step 6: Final answer
    x = 41,889.44

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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.