Home / 59,117.12-81,670.47-38,747.51

Finding the Fourth Proportional to 59,117.12, 81,670.47 and 38,747.51

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Solution

The fourth proportional to 59,117.12, 81,670.47 and 38,747.51 is: 53,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,117.12 : 81,670.47 = 38,747.51 : x
  2. Step 2: Convert to fraction form
    59,117.12/81,670.47 = 38,747.51/x
  3. Step 3: Cross multiply
    59,117.12x = 81,670.47 × 38,747.51
  4. Step 4: Simplify right side
    59,117.12x = 3,164,526,944.68
  5. Step 5: Solve for x
    x = 3,164,526,944.68/59,117.12
  6. Step 6: Final answer
    x = 53,529.79

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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.