Home / 47,239.98-70,860.12-19,160.52

Finding the Fourth Proportional to 47,239.98, 70,860.12 and 19,160.52

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Solution

The fourth proportional to 47,239.98, 70,860.12 and 19,160.52 is: 28,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,239.98 : 70,860.12 = 19,160.52 : x
  2. Step 2: Convert to fraction form
    47,239.98/70,860.12 = 19,160.52/x
  3. Step 3: Cross multiply
    47,239.98x = 70,860.12 × 19,160.52
  4. Step 4: Simplify right side
    47,239.98x = 1,357,716,746.46
  5. Step 5: Solve for x
    x = 1,357,716,746.46/47,239.98
  6. Step 6: Final answer
    x = 28,740.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.