Home / 52,897.46-72,987.09-30,528.50

Finding the Fourth Proportional to 52,897.46, 72,987.09 and 30,528.50

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Solution

The fourth proportional to 52,897.46, 72,987.09 and 30,528.50 is: 42,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,897.46 : 72,987.09 = 30,528.50 : x
  2. Step 2: Convert to fraction form
    52,897.46/72,987.09 = 30,528.50/x
  3. Step 3: Cross multiply
    52,897.46x = 72,987.09 × 30,528.50
  4. Step 4: Simplify right side
    52,897.46x = 2,228,186,377.07
  5. Step 5: Solve for x
    x = 2,228,186,377.07/52,897.46
  6. Step 6: Final answer
    x = 42,122.75

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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.