Home / 70,088.36-105,132.54-17,497.76

Finding the Fourth Proportional to 70,088.36, 105,132.54 and 17,497.76

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Solution

The fourth proportional to 70,088.36, 105,132.54 and 17,497.76 is: 26,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,088.36 : 105,132.54 = 17,497.76 : x
  2. Step 2: Convert to fraction form
    70,088.36/105,132.54 = 17,497.76/x
  3. Step 3: Cross multiply
    70,088.36x = 105,132.54 × 17,497.76
  4. Step 4: Simplify right side
    70,088.36x = 1,839,583,953.11
  5. Step 5: Solve for x
    x = 1,839,583,953.11/70,088.36
  6. Step 6: Final answer
    x = 26,246.64

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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.