Home / 56,443.08-77,894.96-31,292.58

Finding the Fourth Proportional to 56,443.08, 77,894.96 and 31,292.58

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Solution

The fourth proportional to 56,443.08, 77,894.96 and 31,292.58 is: 43,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,443.08 : 77,894.96 = 31,292.58 : x
  2. Step 2: Convert to fraction form
    56,443.08/77,894.96 = 31,292.58/x
  3. Step 3: Cross multiply
    56,443.08x = 77,894.96 × 31,292.58
  4. Step 4: Simplify right side
    56,443.08x = 2,437,534,267.40
  5. Step 5: Solve for x
    x = 2,437,534,267.40/56,443.08
  6. Step 6: Final answer
    x = 43,185.71

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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.