Home / 56,430.74-77,875.29-33,770.72

Finding the Fourth Proportional to 56,430.74, 77,875.29 and 33,770.72

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Solution

The fourth proportional to 56,430.74, 77,875.29 and 33,770.72 is: 46,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430.74 : 77,875.29 = 33,770.72 : x
  2. Step 2: Convert to fraction form
    56,430.74/77,875.29 = 33,770.72/x
  3. Step 3: Cross multiply
    56,430.74x = 77,875.29 × 33,770.72
  4. Step 4: Simplify right side
    56,430.74x = 2,629,904,808.20
  5. Step 5: Solve for x
    x = 2,629,904,808.20/56,430.74
  6. Step 6: Final answer
    x = 46,604.11

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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.