Home / 124,229.79-171,439.19-70,516.46

Finding the Fourth Proportional to 124,229.79, 171,439.19 and 70,516.46

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Solution

The fourth proportional to 124,229.79, 171,439.19 and 70,516.46 is: 97,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,229.79 : 171,439.19 = 70,516.46 : x
  2. Step 2: Convert to fraction form
    124,229.79/171,439.19 = 70,516.46/x
  3. Step 3: Cross multiply
    124,229.79x = 171,439.19 × 70,516.46
  4. Step 4: Simplify right side
    124,229.79x = 12,089,283,574.29
  5. Step 5: Solve for x
    x = 12,089,283,574.29/124,229.79
  6. Step 6: Final answer
    x = 97,313.89

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1.5x scale

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.