Home / 56,159.52-77,499.75-31,009.02

Finding the Fourth Proportional to 56,159.52, 77,499.75 and 31,009.02

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Solution

The fourth proportional to 56,159.52, 77,499.75 and 31,009.02 is: 42,792.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,159.52 : 77,499.75 = 31,009.02 : x
  2. Step 2: Convert to fraction form
    56,159.52/77,499.75 = 31,009.02/x
  3. Step 3: Cross multiply
    56,159.52x = 77,499.75 × 31,009.02
  4. Step 4: Simplify right side
    56,159.52x = 2,403,191,297.75
  5. Step 5: Solve for x
    x = 2,403,191,297.75/56,159.52
  6. Step 6: Final answer
    x = 42,792.23

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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.