Home / 86,225.52-129,352.86-39,482.04

Finding the Fourth Proportional to 86,225.52, 129,352.86 and 39,482.04

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Solution

The fourth proportional to 86,225.52, 129,352.86 and 39,482.04 is: 59,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,225.52 : 129,352.86 = 39,482.04 : x
  2. Step 2: Convert to fraction form
    86,225.52/129,352.86 = 39,482.04/x
  3. Step 3: Cross multiply
    86,225.52x = 129,352.86 × 39,482.04
  4. Step 4: Simplify right side
    86,225.52x = 5,107,114,792.63
  5. Step 5: Solve for x
    x = 5,107,114,792.63/86,225.52
  6. Step 6: Final answer
    x = 59,229.74

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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.