Home / 92,055.42-137,970.06-47,656.86

Finding the Fourth Proportional to 92,055.42, 137,970.06 and 47,656.86

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Solution

The fourth proportional to 92,055.42, 137,970.06 and 47,656.86 is: 71,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,055.42 : 137,970.06 = 47,656.86 : x
  2. Step 2: Convert to fraction form
    92,055.42/137,970.06 = 47,656.86/x
  3. Step 3: Cross multiply
    92,055.42x = 137,970.06 × 47,656.86
  4. Step 4: Simplify right side
    92,055.42x = 6,575,219,833.61
  5. Step 5: Solve for x
    x = 6,575,219,833.61/92,055.42
  6. Step 6: Final answer
    x = 71,426.75

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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.