Home / 74,973.02-112,478-52,829.65

Finding the Fourth Proportional to 74,973.02, 112,478 and 52,829.65

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Solution

The fourth proportional to 74,973.02, 112,478 and 52,829.65 is: 79,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,973.02 : 112,478 = 52,829.65 : x
  2. Step 2: Convert to fraction form
    74,973.02/112,478 = 52,829.65/x
  3. Step 3: Cross multiply
    74,973.02x = 112,478 × 52,829.65
  4. Step 4: Simplify right side
    74,973.02x = 5,942,173,372.70
  5. Step 5: Solve for x
    x = 5,942,173,372.70/74,973.02
  6. Step 6: Final answer
    x = 79,257.49

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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.