Home / 56,415.96-77,852.70-31,264.92

Finding the Fourth Proportional to 56,415.96, 77,852.70 and 31,264.92

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Solution

The fourth proportional to 56,415.96, 77,852.70 and 31,264.92 is: 43,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,415.96 : 77,852.70 = 31,264.92 : x
  2. Step 2: Convert to fraction form
    56,415.96/77,852.70 = 31,264.92/x
  3. Step 3: Cross multiply
    56,415.96x = 77,852.70 × 31,264.92
  4. Step 4: Simplify right side
    56,415.96x = 2,434,058,437.28
  5. Step 5: Solve for x
    x = 2,434,058,437.28/56,415.96
  6. Step 6: Final answer
    x = 43,144.86

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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.