Home / 70,417.38-97,178.23-38,588.23

Finding the Fourth Proportional to 70,417.38, 97,178.23 and 38,588.23

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Solution

The fourth proportional to 70,417.38, 97,178.23 and 38,588.23 is: 53,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,417.38 : 97,178.23 = 38,588.23 : x
  2. Step 2: Convert to fraction form
    70,417.38/97,178.23 = 38,588.23/x
  3. Step 3: Cross multiply
    70,417.38x = 97,178.23 × 38,588.23
  4. Step 4: Simplify right side
    70,417.38x = 3,749,935,890.23
  5. Step 5: Solve for x
    x = 3,749,935,890.23/70,417.38
  6. Step 6: Final answer
    x = 53,252.99

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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.