Home / 51,690.14-77,886.93-42,535.48

Finding the Fourth Proportional to 51,690.14, 77,886.93 and 42,535.48

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Solution

The fourth proportional to 51,690.14, 77,886.93 and 42,535.48 is: 64,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,690.14 : 77,886.93 = 42,535.48 : x
  2. Step 2: Convert to fraction form
    51,690.14/77,886.93 = 42,535.48/x
  3. Step 3: Cross multiply
    51,690.14x = 77,886.93 × 42,535.48
  4. Step 4: Simplify right side
    51,690.14x = 3,312,957,953.28
  5. Step 5: Solve for x
    x = 3,312,957,953.28/51,690.14
  6. Step 6: Final answer
    x = 64,092.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.