Home / 70,645.29-97,488.54-38,814.18

Finding the Fourth Proportional to 70,645.29, 97,488.54 and 38,814.18

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Solution

The fourth proportional to 70,645.29, 97,488.54 and 38,814.18 is: 53,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,645.29 : 97,488.54 = 38,814.18 : x
  2. Step 2: Convert to fraction form
    70,645.29/97,488.54 = 38,814.18/x
  3. Step 3: Cross multiply
    70,645.29x = 97,488.54 × 38,814.18
  4. Step 4: Simplify right side
    70,645.29x = 3,783,937,739.50
  5. Step 5: Solve for x
    x = 3,783,937,739.50/70,645.29
  6. Step 6: Final answer
    x = 53,562.49

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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.