Home / 70,543.62-97,351.29-38,712.06

Finding the Fourth Proportional to 70,543.62, 97,351.29 and 38,712.06

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Solution

The fourth proportional to 70,543.62, 97,351.29 and 38,712.06 is: 53,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,543.62 : 97,351.29 = 38,712.06 : x
  2. Step 2: Convert to fraction form
    70,543.62/97,351.29 = 38,712.06/x
  3. Step 3: Cross multiply
    70,543.62x = 97,351.29 × 38,712.06
  4. Step 4: Simplify right side
    70,543.62x = 3,768,668,979.56
  5. Step 5: Solve for x
    x = 3,768,668,979.56/70,543.62
  6. Step 6: Final answer
    x = 53,423.24

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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.