Home / 70,088.06-105,091.68-47,928.28

Finding the Fourth Proportional to 70,088.06, 105,091.68 and 47,928.28

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Solution

The fourth proportional to 70,088.06, 105,091.68 and 47,928.28 is: 71,864.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,088.06 : 105,091.68 = 47,928.28 : x
  2. Step 2: Convert to fraction form
    70,088.06/105,091.68 = 47,928.28/x
  3. Step 3: Cross multiply
    70,088.06x = 105,091.68 × 47,928.28
  4. Step 4: Simplify right side
    70,088.06x = 5,036,863,381.71
  5. Step 5: Solve for x
    x = 5,036,863,381.71/70,088.06
  6. Step 6: Final answer
    x = 71,864.79

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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.