Home / 56,069.01-77,374.98-30,918.51

Finding the Fourth Proportional to 56,069.01, 77,374.98 and 30,918.51

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Solution

The fourth proportional to 56,069.01, 77,374.98 and 30,918.51 is: 42,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,069.01 : 77,374.98 = 30,918.51 : x
  2. Step 2: Convert to fraction form
    56,069.01/77,374.98 = 30,918.51/x
  3. Step 3: Cross multiply
    56,069.01x = 77,374.98 × 30,918.51
  4. Step 4: Simplify right side
    56,069.01x = 2,392,319,092.88
  5. Step 5: Solve for x
    x = 2,392,319,092.88/56,069.01
  6. Step 6: Final answer
    x = 42,667.40

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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.