Home / 56,319.90-77,709.06-33,655.50

Finding the Fourth Proportional to 56,319.90, 77,709.06 and 33,655.50

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Solution

The fourth proportional to 56,319.90, 77,709.06 and 33,655.50 is: 46,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,319.90 : 77,709.06 = 33,655.50 : x
  2. Step 2: Convert to fraction form
    56,319.90/77,709.06 = 33,655.50/x
  3. Step 3: Cross multiply
    56,319.90x = 77,709.06 × 33,655.50
  4. Step 4: Simplify right side
    56,319.90x = 2,615,337,268.83
  5. Step 5: Solve for x
    x = 2,615,337,268.83/56,319.90
  6. Step 6: Final answer
    x = 46,437.18

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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.