Home / 70,541.56-97,343.47-38,707.95

Finding the Fourth Proportional to 70,541.56, 97,343.47 and 38,707.95

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Solution

The fourth proportional to 70,541.56, 97,343.47 and 38,707.95 is: 53,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,541.56 : 97,343.47 = 38,707.95 : x
  2. Step 2: Convert to fraction form
    70,541.56/97,343.47 = 38,707.95/x
  3. Step 3: Cross multiply
    70,541.56x = 97,343.47 × 38,707.95
  4. Step 4: Simplify right side
    70,541.56x = 3,767,966,169.59
  5. Step 5: Solve for x
    x = 3,767,966,169.59/70,541.56
  6. Step 6: Final answer
    x = 53,414.84

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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.