Home / 45,693.83-63,073.36-31,400.98

Finding the Fourth Proportional to 45,693.83, 63,073.36 and 31,400.98

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Solution

The fourth proportional to 45,693.83, 63,073.36 and 31,400.98 is: 43,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,693.83 : 63,073.36 = 31,400.98 : x
  2. Step 2: Convert to fraction form
    45,693.83/63,073.36 = 31,400.98/x
  3. Step 3: Cross multiply
    45,693.83x = 63,073.36 × 31,400.98
  4. Step 4: Simplify right side
    45,693.83x = 1,980,565,316.23
  5. Step 5: Solve for x
    x = 1,980,565,316.23/45,693.83
  6. Step 6: Final answer
    x = 43,344.27

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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.