Home / 52,513.13-78,769.56-13,070.25

Finding the Fourth Proportional to 52,513.13, 78,769.56 and 13,070.25

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Solution

The fourth proportional to 52,513.13, 78,769.56 and 13,070.25 is: 19,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,513.13 : 78,769.56 = 13,070.25 : x
  2. Step 2: Convert to fraction form
    52,513.13/78,769.56 = 13,070.25/x
  3. Step 3: Cross multiply
    52,513.13x = 78,769.56 × 13,070.25
  4. Step 4: Simplify right side
    52,513.13x = 1,029,537,890.60
  5. Step 5: Solve for x
    x = 1,029,537,890.60/52,513.13
  6. Step 6: Final answer
    x = 19,605.34

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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.