Home / 61,141.30-84,339.16-38,444.32

Finding the Fourth Proportional to 61,141.30, 84,339.16 and 38,444.32

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Solution

The fourth proportional to 61,141.30, 84,339.16 and 38,444.32 is: 53,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,141.30 : 84,339.16 = 38,444.32 : x
  2. Step 2: Convert to fraction form
    61,141.30/84,339.16 = 38,444.32/x
  3. Step 3: Cross multiply
    61,141.30x = 84,339.16 × 38,444.32
  4. Step 4: Simplify right side
    61,141.30x = 3,242,361,655.57
  5. Step 5: Solve for x
    x = 3,242,361,655.57/61,141.30
  6. Step 6: Final answer
    x = 53,030.63

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1.5x scale

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.