Home / 58,831.56-81,166.08-38,699.28

Finding the Fourth Proportional to 58,831.56, 81,166.08 and 38,699.28

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Solution

The fourth proportional to 58,831.56, 81,166.08 and 38,699.28 is: 53,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,831.56 : 81,166.08 = 38,699.28 : x
  2. Step 2: Convert to fraction form
    58,831.56/81,166.08 = 38,699.28/x
  3. Step 3: Cross multiply
    58,831.56x = 81,166.08 × 38,699.28
  4. Step 4: Simplify right side
    58,831.56x = 3,141,068,856.42
  5. Step 5: Solve for x
    x = 3,141,068,856.42/58,831.56
  6. Step 6: Final answer
    x = 53,390.88

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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.