Home / 52,446.28-78,345.25-47,172.92

Finding the Fourth Proportional to 52,446.28, 78,345.25 and 47,172.92

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Solution

The fourth proportional to 52,446.28, 78,345.25 and 47,172.92 is: 70,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,446.28 : 78,345.25 = 47,172.92 : x
  2. Step 2: Convert to fraction form
    52,446.28/78,345.25 = 47,172.92/x
  3. Step 3: Cross multiply
    52,446.28x = 78,345.25 × 47,172.92
  4. Step 4: Simplify right side
    52,446.28x = 3,695,774,210.63
  5. Step 5: Solve for x
    x = 3,695,774,210.63/52,446.28
  6. Step 6: Final answer
    x = 70,467.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.