Home / 70,545.12-97,353.48-38,716.98

Finding the Fourth Proportional to 70,545.12, 97,353.48 and 38,716.98

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Solution

The fourth proportional to 70,545.12, 97,353.48 and 38,716.98 is: 53,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,545.12 : 97,353.48 = 38,716.98 : x
  2. Step 2: Convert to fraction form
    70,545.12/97,353.48 = 38,716.98/x
  3. Step 3: Cross multiply
    70,545.12x = 97,353.48 × 38,716.98
  4. Step 4: Simplify right side
    70,545.12x = 3,769,232,738.09
  5. Step 5: Solve for x
    x = 3,769,232,738.09/70,545.12
  6. Step 6: Final answer
    x = 53,430.10

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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.