Home / 70,370.47-97,113.58-38,541.12

Finding the Fourth Proportional to 70,370.47, 97,113.58 and 38,541.12

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Solution

The fourth proportional to 70,370.47, 97,113.58 and 38,541.12 is: 53,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370.47 : 97,113.58 = 38,541.12 : x
  2. Step 2: Convert to fraction form
    70,370.47/97,113.58 = 38,541.12/x
  3. Step 3: Cross multiply
    70,370.47x = 97,113.58 × 38,541.12
  4. Step 4: Simplify right side
    70,370.47x = 3,742,865,896.67
  5. Step 5: Solve for x
    x = 3,742,865,896.67/70,370.47
  6. Step 6: Final answer
    x = 53,188.02

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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.