Home / 52,888.02-72,987.75-31,663.19

Finding the Fourth Proportional to 52,888.02, 72,987.75 and 31,663.19

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Solution

The fourth proportional to 52,888.02, 72,987.75 and 31,663.19 is: 43,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,888.02 : 72,987.75 = 31,663.19 : x
  2. Step 2: Convert to fraction form
    52,888.02/72,987.75 = 31,663.19/x
  3. Step 3: Cross multiply
    52,888.02x = 72,987.75 × 31,663.19
  4. Step 4: Simplify right side
    52,888.02x = 2,311,024,630.98
  5. Step 5: Solve for x
    x = 2,311,024,630.98/52,888.02
  6. Step 6: Final answer
    x = 43,696.56

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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.