Home / 45,130.90-67,708.10-17,051.17

Finding the Fourth Proportional to 45,130.90, 67,708.10 and 17,051.17

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Solution

The fourth proportional to 45,130.90, 67,708.10 and 17,051.17 is: 25,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,130.90 : 67,708.10 = 17,051.17 : x
  2. Step 2: Convert to fraction form
    45,130.90/67,708.10 = 17,051.17/x
  3. Step 3: Cross multiply
    45,130.90x = 67,708.10 × 17,051.17
  4. Step 4: Simplify right side
    45,130.90x = 1,154,502,323.48
  5. Step 5: Solve for x
    x = 1,154,502,323.48/45,130.90
  6. Step 6: Final answer
    x = 25,581.19

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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.