Home / 52,407.24-72,322.80-28,534.32

Finding the Fourth Proportional to 52,407.24, 72,322.80 and 28,534.32

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Solution

The fourth proportional to 52,407.24, 72,322.80 and 28,534.32 is: 39,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407.24 : 72,322.80 = 28,534.32 : x
  2. Step 2: Convert to fraction form
    52,407.24/72,322.80 = 28,534.32/x
  3. Step 3: Cross multiply
    52,407.24x = 72,322.80 × 28,534.32
  4. Step 4: Simplify right side
    52,407.24x = 2,063,681,918.50
  5. Step 5: Solve for x
    x = 2,063,681,918.50/52,407.24
  6. Step 6: Final answer
    x = 39,377.80

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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.