Home / 56,554.39-78,045.29-35,345.76

Finding the Fourth Proportional to 56,554.39, 78,045.29 and 35,345.76

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Solution

The fourth proportional to 56,554.39, 78,045.29 and 35,345.76 is: 48,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,554.39 : 78,045.29 = 35,345.76 : x
  2. Step 2: Convert to fraction form
    56,554.39/78,045.29 = 35,345.76/x
  3. Step 3: Cross multiply
    56,554.39x = 78,045.29 × 35,345.76
  4. Step 4: Simplify right side
    56,554.39x = 2,758,570,089.47
  5. Step 5: Solve for x
    x = 2,758,570,089.47/56,554.39
  6. Step 6: Final answer
    x = 48,777.29

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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.