Home / 75,206.84-103,788.33-42,946.72

Finding the Fourth Proportional to 75,206.84, 103,788.33 and 42,946.72

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Solution

The fourth proportional to 75,206.84, 103,788.33 and 42,946.72 is: 59,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,206.84 : 103,788.33 = 42,946.72 : x
  2. Step 2: Convert to fraction form
    75,206.84/103,788.33 = 42,946.72/x
  3. Step 3: Cross multiply
    75,206.84x = 103,788.33 × 42,946.72
  4. Step 4: Simplify right side
    75,206.84x = 4,457,368,347.78
  5. Step 5: Solve for x
    x = 4,457,368,347.78/75,206.84
  6. Step 6: Final answer
    x = 59,268.12

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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.