Home / 70,545.20-97,353.54-38,717.06

Finding the Fourth Proportional to 70,545.20, 97,353.54 and 38,717.06

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Solution

The fourth proportional to 70,545.20, 97,353.54 and 38,717.06 is: 53,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,545.20 : 97,353.54 = 38,717.06 : x
  2. Step 2: Convert to fraction form
    70,545.20/97,353.54 = 38,717.06/x
  3. Step 3: Cross multiply
    70,545.20x = 97,353.54 × 38,717.06
  4. Step 4: Simplify right side
    70,545.20x = 3,769,242,362.62
  5. Step 5: Solve for x
    x = 3,769,242,362.62/70,545.20
  6. Step 6: Final answer
    x = 53,430.18

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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.