Home / 76,675.16-115,036.25-39,261.51

Finding the Fourth Proportional to 76,675.16, 115,036.25 and 39,261.51

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Solution

The fourth proportional to 76,675.16, 115,036.25 and 39,261.51 is: 58,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,675.16 : 115,036.25 = 39,261.51 : x
  2. Step 2: Convert to fraction form
    76,675.16/115,036.25 = 39,261.51/x
  3. Step 3: Cross multiply
    76,675.16x = 115,036.25 × 39,261.51
  4. Step 4: Simplify right side
    76,675.16x = 4,516,496,904.28
  5. Step 5: Solve for x
    x = 4,516,496,904.28/76,675.16
  6. Step 6: Final answer
    x = 58,904.31

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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.