Home / 56,598.08-78,106.40-31,449.92

Finding the Fourth Proportional to 56,598.08, 78,106.40 and 31,449.92

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Solution

The fourth proportional to 56,598.08, 78,106.40 and 31,449.92 is: 43,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,598.08 : 78,106.40 = 31,449.92 : x
  2. Step 2: Convert to fraction form
    56,598.08/78,106.40 = 31,449.92/x
  3. Step 3: Cross multiply
    56,598.08x = 78,106.40 × 31,449.92
  4. Step 4: Simplify right side
    56,598.08x = 2,456,440,031.49
  5. Step 5: Solve for x
    x = 2,456,440,031.49/56,598.08
  6. Step 6: Final answer
    x = 43,401.47

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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.