Home / 88,157.04-121,656.27-47,870.44

Finding the Fourth Proportional to 88,157.04, 121,656.27 and 47,870.44

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Solution

The fourth proportional to 88,157.04, 121,656.27 and 47,870.44 is: 66,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,157.04 : 121,656.27 = 47,870.44 : x
  2. Step 2: Convert to fraction form
    88,157.04/121,656.27 = 47,870.44/x
  3. Step 3: Cross multiply
    88,157.04x = 121,656.27 × 47,870.44
  4. Step 4: Simplify right side
    88,157.04x = 5,823,739,173.66
  5. Step 5: Solve for x
    x = 5,823,739,173.66/88,157.04
  6. Step 6: Final answer
    x = 66,060.97

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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.