Home / 52,881.18-72,980.63-29,012.77

Finding the Fourth Proportional to 52,881.18, 72,980.63 and 29,012.77

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Solution

The fourth proportional to 52,881.18, 72,980.63 and 29,012.77 is: 40,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,881.18 : 72,980.63 = 29,012.77 : x
  2. Step 2: Convert to fraction form
    52,881.18/72,980.63 = 29,012.77/x
  3. Step 3: Cross multiply
    52,881.18x = 72,980.63 × 29,012.77
  4. Step 4: Simplify right side
    52,881.18x = 2,117,370,232.65
  5. Step 5: Solve for x
    x = 2,117,370,232.65/52,881.18
  6. Step 6: Final answer
    x = 40,040.15

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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.