Home / 113,063.56-169,595.34-42,942.70

Finding the Fourth Proportional to 113,063.56, 169,595.34 and 42,942.70

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Solution

The fourth proportional to 113,063.56, 169,595.34 and 42,942.70 is: 64,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,063.56 : 169,595.34 = 42,942.70 : x
  2. Step 2: Convert to fraction form
    113,063.56/169,595.34 = 42,942.70/x
  3. Step 3: Cross multiply
    113,063.56x = 169,595.34 × 42,942.70
  4. Step 4: Simplify right side
    113,063.56x = 7,282,881,807.02
  5. Step 5: Solve for x
    x = 7,282,881,807.02/113,063.56
  6. Step 6: Final answer
    x = 64,414.05

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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.