Home / 42,621.80-63,932.70-37,437.80

Finding the Fourth Proportional to 42,621.80, 63,932.70 and 37,437.80

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Solution

The fourth proportional to 42,621.80, 63,932.70 and 37,437.80 is: 56,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,621.80 : 63,932.70 = 37,437.80 : x
  2. Step 2: Convert to fraction form
    42,621.80/63,932.70 = 37,437.80/x
  3. Step 3: Cross multiply
    42,621.80x = 63,932.70 × 37,437.80
  4. Step 4: Simplify right side
    42,621.80x = 2,393,499,636.06
  5. Step 5: Solve for x
    x = 2,393,499,636.06/42,621.80
  6. Step 6: Final answer
    x = 56,156.70

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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.