Home / 70,939.30-97,895.88-39,108.16

Finding the Fourth Proportional to 70,939.30, 97,895.88 and 39,108.16

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Solution

The fourth proportional to 70,939.30, 97,895.88 and 39,108.16 is: 53,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,939.30 : 97,895.88 = 39,108.16 : x
  2. Step 2: Convert to fraction form
    70,939.30/97,895.88 = 39,108.16/x
  3. Step 3: Cross multiply
    70,939.30x = 97,895.88 × 39,108.16
  4. Step 4: Simplify right side
    70,939.30x = 3,828,527,738.38
  5. Step 5: Solve for x
    x = 3,828,527,738.38/70,939.30
  6. Step 6: Final answer
    x = 53,969.07

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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.