Home / 70,585.41-97,409.85-38,755.65

Finding the Fourth Proportional to 70,585.41, 97,409.85 and 38,755.65

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Solution

The fourth proportional to 70,585.41, 97,409.85 and 38,755.65 is: 53,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,585.41 : 97,409.85 = 38,755.65 : x
  2. Step 2: Convert to fraction form
    70,585.41/97,409.85 = 38,755.65/x
  3. Step 3: Cross multiply
    70,585.41x = 97,409.85 × 38,755.65
  4. Step 4: Simplify right side
    70,585.41x = 3,775,182,053.15
  5. Step 5: Solve for x
    x = 3,775,182,053.15/70,585.41
  6. Step 6: Final answer
    x = 53,483.89

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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.