Home / 69,862.40-96,439.92-41,570.72

Finding the Fourth Proportional to 69,862.40, 96,439.92 and 41,570.72

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Solution

The fourth proportional to 69,862.40, 96,439.92 and 41,570.72 is: 57,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,862.40 : 96,439.92 = 41,570.72 : x
  2. Step 2: Convert to fraction form
    69,862.40/96,439.92 = 41,570.72/x
  3. Step 3: Cross multiply
    69,862.40x = 96,439.92 × 41,570.72
  4. Step 4: Simplify right side
    69,862.40x = 4,009,076,911.14
  5. Step 5: Solve for x
    x = 4,009,076,911.14/69,862.40
  6. Step 6: Final answer
    x = 57,385.33

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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.