Home / 56,264.40-77,633.64-31,109.04

Finding the Fourth Proportional to 56,264.40, 77,633.64 and 31,109.04

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Solution

The fourth proportional to 56,264.40, 77,633.64 and 31,109.04 is: 42,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,264.40 : 77,633.64 = 31,109.04 : x
  2. Step 2: Convert to fraction form
    56,264.40/77,633.64 = 31,109.04/x
  3. Step 3: Cross multiply
    56,264.40x = 77,633.64 × 31,109.04
  4. Step 4: Simplify right side
    56,264.40x = 2,415,108,012.11
  5. Step 5: Solve for x
    x = 2,415,108,012.11/56,264.40
  6. Step 6: Final answer
    x = 42,924.26

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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.