Home / 58,702.12-88,012.14-18,707.69

Finding the Fourth Proportional to 58,702.12, 88,012.14 and 18,707.69

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Solution

The fourth proportional to 58,702.12, 88,012.14 and 18,707.69 is: 28,048.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,702.12 : 88,012.14 = 18,707.69 : x
  2. Step 2: Convert to fraction form
    58,702.12/88,012.14 = 18,707.69/x
  3. Step 3: Cross multiply
    58,702.12x = 88,012.14 × 18,707.69
  4. Step 4: Simplify right side
    58,702.12x = 1,646,503,981.23
  5. Step 5: Solve for x
    x = 1,646,503,981.23/58,702.12
  6. Step 6: Final answer
    x = 28,048.46

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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.