Home / 75,206.34-103,787.64-42,946.22

Finding the Fourth Proportional to 75,206.34, 103,787.64 and 42,946.22

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Solution

The fourth proportional to 75,206.34, 103,787.64 and 42,946.22 is: 59,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,206.34 : 103,787.64 = 42,946.22 : x
  2. Step 2: Convert to fraction form
    75,206.34/103,787.64 = 42,946.22/x
  3. Step 3: Cross multiply
    75,206.34x = 103,787.64 × 42,946.22
  4. Step 4: Simplify right side
    75,206.34x = 4,457,286,605.99
  5. Step 5: Solve for x
    x = 4,457,286,605.99/75,206.34
  6. Step 6: Final answer
    x = 59,267.43

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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.