Home / 61,155.10-91,732.65-19,606.30

Finding the Fourth Proportional to 61,155.10, 91,732.65 and 19,606.30

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Solution

The fourth proportional to 61,155.10, 91,732.65 and 19,606.30 is: 29,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,155.10 : 91,732.65 = 19,606.30 : x
  2. Step 2: Convert to fraction form
    61,155.10/91,732.65 = 19,606.30/x
  3. Step 3: Cross multiply
    61,155.10x = 91,732.65 × 19,606.30
  4. Step 4: Simplify right side
    61,155.10x = 1,798,537,855.70
  5. Step 5: Solve for x
    x = 1,798,537,855.70/61,155.10
  6. Step 6: Final answer
    x = 29,409.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.