Home / 56,158.11-77,497.59-30,664.39

Finding the Fourth Proportional to 56,158.11, 77,497.59 and 30,664.39

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Solution

The fourth proportional to 56,158.11, 77,497.59 and 30,664.39 is: 42,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,158.11 : 77,497.59 = 30,664.39 : x
  2. Step 2: Convert to fraction form
    56,158.11/77,497.59 = 30,664.39/x
  3. Step 3: Cross multiply
    56,158.11x = 77,497.59 × 30,664.39
  4. Step 4: Simplify right side
    56,158.11x = 2,376,416,323.82
  5. Step 5: Solve for x
    x = 2,376,416,323.82/56,158.11
  6. Step 6: Final answer
    x = 42,316.53

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1.5x scale

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.