Home / 86,311.04-129,466.52-23,981.52

Finding the Fourth Proportional to 86,311.04, 129,466.52 and 23,981.52

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Solution

The fourth proportional to 86,311.04, 129,466.52 and 23,981.52 is: 35,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,311.04 : 129,466.52 = 23,981.52 : x
  2. Step 2: Convert to fraction form
    86,311.04/129,466.52 = 23,981.52/x
  3. Step 3: Cross multiply
    86,311.04x = 129,466.52 × 23,981.52
  4. Step 4: Simplify right side
    86,311.04x = 3,104,803,938.71
  5. Step 5: Solve for x
    x = 3,104,803,938.71/86,311.04
  6. Step 6: Final answer
    x = 35,972.27

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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.