Home / 56,294.73-77,643.45-39,293.55

Finding the Fourth Proportional to 56,294.73, 77,643.45 and 39,293.55

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Solution

The fourth proportional to 56,294.73, 77,643.45 and 39,293.55 is: 54,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,294.73 : 77,643.45 = 39,293.55 : x
  2. Step 2: Convert to fraction form
    56,294.73/77,643.45 = 39,293.55/x
  3. Step 3: Cross multiply
    56,294.73x = 77,643.45 × 39,293.55
  4. Step 4: Simplify right side
    56,294.73x = 3,050,886,784.75
  5. Step 5: Solve for x
    x = 3,050,886,784.75/56,294.73
  6. Step 6: Final answer
    x = 54,194.89

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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.