Home / 70,301.04-105,347.88-39,127.92

Finding the Fourth Proportional to 70,301.04, 105,347.88 and 39,127.92

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Solution

The fourth proportional to 70,301.04, 105,347.88 and 39,127.92 is: 58,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,301.04 : 105,347.88 = 39,127.92 : x
  2. Step 2: Convert to fraction form
    70,301.04/105,347.88 = 39,127.92/x
  3. Step 3: Cross multiply
    70,301.04x = 105,347.88 × 39,127.92
  4. Step 4: Simplify right side
    70,301.04x = 4,122,043,420.81
  5. Step 5: Solve for x
    x = 4,122,043,420.81/70,301.04
  6. Step 6: Final answer
    x = 58,634.17

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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.