Home / 52,124.04-78,153.12-25,416.72

Finding the Fourth Proportional to 52,124.04, 78,153.12 and 25,416.72

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Solution

The fourth proportional to 52,124.04, 78,153.12 and 25,416.72 is: 38,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,124.04 : 78,153.12 = 25,416.72 : x
  2. Step 2: Convert to fraction form
    52,124.04/78,153.12 = 25,416.72/x
  3. Step 3: Cross multiply
    52,124.04x = 78,153.12 × 25,416.72
  4. Step 4: Simplify right side
    52,124.04x = 1,986,395,968.17
  5. Step 5: Solve for x
    x = 1,986,395,968.17/52,124.04
  6. Step 6: Final answer
    x = 38,109.02

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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.