Home / 51,041.12-76,563.28-42,225.28

Finding the Fourth Proportional to 51,041.12, 76,563.28 and 42,225.28

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Solution

The fourth proportional to 51,041.12, 76,563.28 and 42,225.28 is: 63,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,041.12 : 76,563.28 = 42,225.28 : x
  2. Step 2: Convert to fraction form
    51,041.12/76,563.28 = 42,225.28/x
  3. Step 3: Cross multiply
    51,041.12x = 76,563.28 × 42,225.28
  4. Step 4: Simplify right side
    51,041.12x = 3,232,905,935.72
  5. Step 5: Solve for x
    x = 3,232,905,935.72/51,041.12
  6. Step 6: Final answer
    x = 63,339.24

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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.