Home / 112,985.58-169,377.66-42,914.10

Finding the Fourth Proportional to 112,985.58, 169,377.66 and 42,914.10

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Solution

The fourth proportional to 112,985.58, 169,377.66 and 42,914.10 is: 64,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,985.58 : 169,377.66 = 42,914.10 : x
  2. Step 2: Convert to fraction form
    112,985.58/169,377.66 = 42,914.10/x
  3. Step 3: Cross multiply
    112,985.58x = 169,377.66 × 42,914.10
  4. Step 4: Simplify right side
    112,985.58x = 7,268,689,839.01
  5. Step 5: Solve for x
    x = 7,268,689,839.01/112,985.58
  6. Step 6: Final answer
    x = 64,332.90

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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.