Home / 61,037.54-91,482.50-31,439.23

Finding the Fourth Proportional to 61,037.54, 91,482.50 and 31,439.23

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Solution

The fourth proportional to 61,037.54, 91,482.50 and 31,439.23 is: 47,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,037.54 : 91,482.50 = 31,439.23 : x
  2. Step 2: Convert to fraction form
    61,037.54/91,482.50 = 31,439.23/x
  3. Step 3: Cross multiply
    61,037.54x = 91,482.50 × 31,439.23
  4. Step 4: Simplify right side
    61,037.54x = 2,876,139,051.17
  5. Step 5: Solve for x
    x = 2,876,139,051.17/61,037.54
  6. Step 6: Final answer
    x = 47,120.82

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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.