Home / 61,195.08-91,644.40-31,130.22

Finding the Fourth Proportional to 61,195.08, 91,644.40 and 31,130.22

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Solution

The fourth proportional to 61,195.08, 91,644.40 and 31,130.22 is: 46,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,195.08 : 91,644.40 = 31,130.22 : x
  2. Step 2: Convert to fraction form
    61,195.08/91,644.40 = 31,130.22/x
  3. Step 3: Cross multiply
    61,195.08x = 91,644.40 × 31,130.22
  4. Step 4: Simplify right side
    61,195.08x = 2,852,910,333.77
  5. Step 5: Solve for x
    x = 2,852,910,333.77/61,195.08
  6. Step 6: Final answer
    x = 46,619.93

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1.5x scale

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.