Home / 56,482.02-77,945.28-31,331.52

Finding the Fourth Proportional to 56,482.02, 77,945.28 and 31,331.52

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Solution

The fourth proportional to 56,482.02, 77,945.28 and 31,331.52 is: 43,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.02 : 77,945.28 = 31,331.52 : x
  2. Step 2: Convert to fraction form
    56,482.02/77,945.28 = 31,331.52/x
  3. Step 3: Cross multiply
    56,482.02x = 77,945.28 × 31,331.52
  4. Step 4: Simplify right side
    56,482.02x = 2,442,144,099.23
  5. Step 5: Solve for x
    x = 2,442,144,099.23/56,482.02
  6. Step 6: Final answer
    x = 43,237.55

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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.