Home / 77,925.06-107,537.07-42,114.98

Finding the Fourth Proportional to 77,925.06, 107,537.07 and 42,114.98

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Solution

The fourth proportional to 77,925.06, 107,537.07 and 42,114.98 is: 58,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,925.06 : 107,537.07 = 42,114.98 : x
  2. Step 2: Convert to fraction form
    77,925.06/107,537.07 = 42,114.98/x
  3. Step 3: Cross multiply
    77,925.06x = 107,537.07 × 42,114.98
  4. Step 4: Simplify right side
    77,925.06x = 4,528,921,552.31
  5. Step 5: Solve for x
    x = 4,528,921,552.31/77,925.06
  6. Step 6: Final answer
    x = 58,118.94

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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.