Home / 58,659.06-80,950.08-31,801.51

Finding the Fourth Proportional to 58,659.06, 80,950.08 and 31,801.51

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Solution

The fourth proportional to 58,659.06, 80,950.08 and 31,801.51 is: 43,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,659.06 : 80,950.08 = 31,801.51 : x
  2. Step 2: Convert to fraction form
    58,659.06/80,950.08 = 31,801.51/x
  3. Step 3: Cross multiply
    58,659.06x = 80,950.08 × 31,801.51
  4. Step 4: Simplify right side
    58,659.06x = 2,574,334,778.62
  5. Step 5: Solve for x
    x = 2,574,334,778.62/58,659.06
  6. Step 6: Final answer
    x = 43,886.40

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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.