Home / 102,046.23-140,846.65-56,740.10

Finding the Fourth Proportional to 102,046.23, 140,846.65 and 56,740.10

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Solution

The fourth proportional to 102,046.23, 140,846.65 and 56,740.10 is: 78,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,046.23 : 140,846.65 = 56,740.10 : x
  2. Step 2: Convert to fraction form
    102,046.23/140,846.65 = 56,740.10/x
  3. Step 3: Cross multiply
    102,046.23x = 140,846.65 × 56,740.10
  4. Step 4: Simplify right side
    102,046.23x = 7,991,652,159.58
  5. Step 5: Solve for x
    x = 7,991,652,159.58/102,046.23
  6. Step 6: Final answer
    x = 78,314.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.