Home / 86,130.63-129,214.58-26,154.18

Finding the Fourth Proportional to 86,130.63, 129,214.58 and 26,154.18

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Solution

The fourth proportional to 86,130.63, 129,214.58 and 26,154.18 is: 39,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,130.63 : 129,214.58 = 26,154.18 : x
  2. Step 2: Convert to fraction form
    86,130.63/129,214.58 = 26,154.18/x
  3. Step 3: Cross multiply
    86,130.63x = 129,214.58 × 26,154.18
  4. Step 4: Simplify right side
    86,130.63x = 3,379,501,706.98
  5. Step 5: Solve for x
    x = 3,379,501,706.98/86,130.63
  6. Step 6: Final answer
    x = 39,236.93

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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.