Home / 102,518.10-153,777.15-47,114.10

Finding the Fourth Proportional to 102,518.10, 153,777.15 and 47,114.10

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Solution

The fourth proportional to 102,518.10, 153,777.15 and 47,114.10 is: 70,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,518.10 : 153,777.15 = 47,114.10 : x
  2. Step 2: Convert to fraction form
    102,518.10/153,777.15 = 47,114.10/x
  3. Step 3: Cross multiply
    102,518.10x = 153,777.15 × 47,114.10
  4. Step 4: Simplify right side
    102,518.10x = 7,245,072,022.82
  5. Step 5: Solve for x
    x = 7,245,072,022.82/102,518.10
  6. Step 6: Final answer
    x = 70,671.15

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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.