Home / 42,848.76-64,276.14-13,262.70

Finding the Fourth Proportional to 42,848.76, 64,276.14 and 13,262.70

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Solution

The fourth proportional to 42,848.76, 64,276.14 and 13,262.70 is: 19,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,848.76 : 64,276.14 = 13,262.70 : x
  2. Step 2: Convert to fraction form
    42,848.76/64,276.14 = 13,262.70/x
  3. Step 3: Cross multiply
    42,848.76x = 64,276.14 × 13,262.70
  4. Step 4: Simplify right side
    42,848.76x = 852,475,161.98
  5. Step 5: Solve for x
    x = 852,475,161.98/42,848.76
  6. Step 6: Final answer
    x = 19,894.98

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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.