Home / 77,351.16-106,737.98-42,897

Finding the Fourth Proportional to 77,351.16, 106,737.98 and 42,897

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Solution

The fourth proportional to 77,351.16, 106,737.98 and 42,897 is: 59,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,351.16 : 106,737.98 = 42,897 : x
  2. Step 2: Convert to fraction form
    77,351.16/106,737.98 = 42,897/x
  3. Step 3: Cross multiply
    77,351.16x = 106,737.98 × 42,897
  4. Step 4: Simplify right side
    77,351.16x = 4,578,738,913.58
  5. Step 5: Solve for x
    x = 4,578,738,913.58/77,351.16
  6. Step 6: Final answer
    x = 59,194.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.