Home / 70,585.48-97,411.14-42,290.56

Finding the Fourth Proportional to 70,585.48, 97,411.14 and 42,290.56

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Solution

The fourth proportional to 70,585.48, 97,411.14 and 42,290.56 is: 58,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,585.48 : 97,411.14 = 42,290.56 : x
  2. Step 2: Convert to fraction form
    70,585.48/97,411.14 = 42,290.56/x
  3. Step 3: Cross multiply
    70,585.48x = 97,411.14 × 42,290.56
  4. Step 4: Simplify right side
    70,585.48x = 4,119,571,660.84
  5. Step 5: Solve for x
    x = 4,119,571,660.84/70,585.48
  6. Step 6: Final answer
    x = 58,362.88

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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.