Home / 124,274.16-171,502.64-70,557.40

Finding the Fourth Proportional to 124,274.16, 171,502.64 and 70,557.40

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Solution

The fourth proportional to 124,274.16, 171,502.64 and 70,557.40 is: 97,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,274.16 : 171,502.64 = 70,557.40 : x
  2. Step 2: Convert to fraction form
    124,274.16/171,502.64 = 70,557.40/x
  3. Step 3: Cross multiply
    124,274.16x = 171,502.64 × 70,557.40
  4. Step 4: Simplify right side
    124,274.16x = 12,100,780,371.54
  5. Step 5: Solve for x
    x = 12,100,780,371.54/124,274.16
  6. Step 6: Final answer
    x = 97,371.65

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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.