Home / 52,598.09-78,897.15-13,155.21

Finding the Fourth Proportional to 52,598.09, 78,897.15 and 13,155.21

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Solution

The fourth proportional to 52,598.09, 78,897.15 and 13,155.21 is: 19,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,598.09 : 78,897.15 = 13,155.21 : x
  2. Step 2: Convert to fraction form
    52,598.09/78,897.15 = 13,155.21/x
  3. Step 3: Cross multiply
    52,598.09x = 78,897.15 × 13,155.21
  4. Step 4: Simplify right side
    52,598.09x = 1,037,908,576.65
  5. Step 5: Solve for x
    x = 1,037,908,576.65/52,598.09
  6. Step 6: Final answer
    x = 19,732.82

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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.