Home / 57,113.02-85,653.14-19,671.58

Finding the Fourth Proportional to 57,113.02, 85,653.14 and 19,671.58

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Solution

The fourth proportional to 57,113.02, 85,653.14 and 19,671.58 is: 29,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113.02 : 85,653.14 = 19,671.58 : x
  2. Step 2: Convert to fraction form
    57,113.02/85,653.14 = 19,671.58/x
  3. Step 3: Cross multiply
    57,113.02x = 85,653.14 × 19,671.58
  4. Step 4: Simplify right side
    57,113.02x = 1,684,932,595.76
  5. Step 5: Solve for x
    x = 1,684,932,595.76/57,113.02
  6. Step 6: Final answer
    x = 29,501.72

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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.