Home / 75,150.23-103,704.76-42,886.63

Finding the Fourth Proportional to 75,150.23, 103,704.76 and 42,886.63

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Solution

The fourth proportional to 75,150.23, 103,704.76 and 42,886.63 is: 59,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,150.23 : 103,704.76 = 42,886.63 : x
  2. Step 2: Convert to fraction form
    75,150.23/103,704.76 = 42,886.63/x
  3. Step 3: Cross multiply
    75,150.23x = 103,704.76 × 42,886.63
  4. Step 4: Simplify right side
    75,150.23x = 4,447,547,671.36
  5. Step 5: Solve for x
    x = 4,447,547,671.36/75,150.23
  6. Step 6: Final answer
    x = 59,182.09

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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.