Home / 56,120.14-77,421.35-36,975.35

Finding the Fourth Proportional to 56,120.14, 77,421.35 and 36,975.35

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Solution

The fourth proportional to 56,120.14, 77,421.35 and 36,975.35 is: 51,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.14 : 77,421.35 = 36,975.35 : x
  2. Step 2: Convert to fraction form
    56,120.14/77,421.35 = 36,975.35/x
  3. Step 3: Cross multiply
    56,120.14x = 77,421.35 × 36,975.35
  4. Step 4: Simplify right side
    56,120.14x = 2,862,681,799.71
  5. Step 5: Solve for x
    x = 2,862,681,799.71/56,120.14
  6. Step 6: Final answer
    x = 51,009.88

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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.