Home / 45,657.03-63,002.01-31,329.15

Finding the Fourth Proportional to 45,657.03, 63,002.01 and 31,329.15

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Solution

The fourth proportional to 45,657.03, 63,002.01 and 31,329.15 is: 43,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,657.03 : 63,002.01 = 31,329.15 : x
  2. Step 2: Convert to fraction form
    45,657.03/63,002.01 = 31,329.15/x
  3. Step 3: Cross multiply
    45,657.03x = 63,002.01 × 31,329.15
  4. Step 4: Simplify right side
    45,657.03x = 1,973,799,421.59
  5. Step 5: Solve for x
    x = 1,973,799,421.59/45,657.03
  6. Step 6: Final answer
    x = 43,231.01

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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.