Home / 56,443.58-77,895.65-31,293.08

Finding the Fourth Proportional to 56,443.58, 77,895.65 and 31,293.08

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Solution

The fourth proportional to 56,443.58, 77,895.65 and 31,293.08 is: 43,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,443.58 : 77,895.65 = 31,293.08 : x
  2. Step 2: Convert to fraction form
    56,443.58/77,895.65 = 31,293.08/x
  3. Step 3: Cross multiply
    56,443.58x = 77,895.65 × 31,293.08
  4. Step 4: Simplify right side
    56,443.58x = 2,437,594,807.10
  5. Step 5: Solve for x
    x = 2,437,594,807.10/56,443.58
  6. Step 6: Final answer
    x = 43,186.40

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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.