Home / 70,123.17-105,244.20-28,032.97

Finding the Fourth Proportional to 70,123.17, 105,244.20 and 28,032.97

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Solution

The fourth proportional to 70,123.17, 105,244.20 and 28,032.97 is: 42,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,123.17 : 105,244.20 = 28,032.97 : x
  2. Step 2: Convert to fraction form
    70,123.17/105,244.20 = 28,032.97/x
  3. Step 3: Cross multiply
    70,123.17x = 105,244.20 × 28,032.97
  4. Step 4: Simplify right side
    70,123.17x = 2,950,307,501.27
  5. Step 5: Solve for x
    x = 2,950,307,501.27/70,123.17
  6. Step 6: Final answer
    x = 42,073.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.