Home / 56,068.92-77,374.68-30,918.42

Finding the Fourth Proportional to 56,068.92, 77,374.68 and 30,918.42

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Solution

The fourth proportional to 56,068.92, 77,374.68 and 30,918.42 is: 42,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,068.92 : 77,374.68 = 30,918.42 : x
  2. Step 2: Convert to fraction form
    56,068.92/77,374.68 = 30,918.42/x
  3. Step 3: Cross multiply
    56,068.92x = 77,374.68 × 30,918.42
  4. Step 4: Simplify right side
    56,068.92x = 2,392,302,853.61
  5. Step 5: Solve for x
    x = 2,392,302,853.61/56,068.92
  6. Step 6: Final answer
    x = 42,667.18

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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.