Home / 52,702.13-79,041.75-16,681.39

Finding the Fourth Proportional to 52,702.13, 79,041.75 and 16,681.39

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Solution

The fourth proportional to 52,702.13, 79,041.75 and 16,681.39 is: 25,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,702.13 : 79,041.75 = 16,681.39 : x
  2. Step 2: Convert to fraction form
    52,702.13/79,041.75 = 16,681.39/x
  3. Step 3: Cross multiply
    52,702.13x = 79,041.75 × 16,681.39
  4. Step 4: Simplify right side
    52,702.13x = 1,318,525,779.42
  5. Step 5: Solve for x
    x = 1,318,525,779.42/52,702.13
  6. Step 6: Final answer
    x = 25,018.45

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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.