Home / 70,776.18-97,675.47-38,952.09

Finding the Fourth Proportional to 70,776.18, 97,675.47 and 38,952.09

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Solution

The fourth proportional to 70,776.18, 97,675.47 and 38,952.09 is: 53,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,776.18 : 97,675.47 = 38,952.09 : x
  2. Step 2: Convert to fraction form
    70,776.18/97,675.47 = 38,952.09/x
  3. Step 3: Cross multiply
    70,776.18x = 97,675.47 × 38,952.09
  4. Step 4: Simplify right side
    70,776.18x = 3,804,663,698.23
  5. Step 5: Solve for x
    x = 3,804,663,698.23/70,776.18
  6. Step 6: Final answer
    x = 53,756.27

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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.