Home / 56,155.16-77,494.70-31,004.60

Finding the Fourth Proportional to 56,155.16, 77,494.70 and 31,004.60

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Solution

The fourth proportional to 56,155.16, 77,494.70 and 31,004.60 is: 42,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,155.16 : 77,494.70 = 31,004.60 : x
  2. Step 2: Convert to fraction form
    56,155.16/77,494.70 = 31,004.60/x
  3. Step 3: Cross multiply
    56,155.16x = 77,494.70 × 31,004.60
  4. Step 4: Simplify right side
    56,155.16x = 2,402,692,175.62
  5. Step 5: Solve for x
    x = 2,402,692,175.62/56,155.16
  6. Step 6: Final answer
    x = 42,786.67

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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.