Home / 52,715.10-79,060.23-19,417.08

Finding the Fourth Proportional to 52,715.10, 79,060.23 and 19,417.08

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Solution

The fourth proportional to 52,715.10, 79,060.23 and 19,417.08 is: 29,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,715.10 : 79,060.23 = 19,417.08 : x
  2. Step 2: Convert to fraction form
    52,715.10/79,060.23 = 19,417.08/x
  3. Step 3: Cross multiply
    52,715.10x = 79,060.23 × 19,417.08
  4. Step 4: Simplify right side
    52,715.10x = 1,535,118,810.73
  5. Step 5: Solve for x
    x = 1,535,118,810.73/52,715.10
  6. Step 6: Final answer
    x = 29,121.05

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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.