Home / 89,649.02-134,473.11-42,759.74

Finding the Fourth Proportional to 89,649.02, 134,473.11 and 42,759.74

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Solution

The fourth proportional to 89,649.02, 134,473.11 and 42,759.74 is: 64,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,649.02 : 134,473.11 = 42,759.74 : x
  2. Step 2: Convert to fraction form
    89,649.02/134,473.11 = 42,759.74/x
  3. Step 3: Cross multiply
    89,649.02x = 134,473.11 × 42,759.74
  4. Step 4: Simplify right side
    89,649.02x = 5,750,034,548.23
  5. Step 5: Solve for x
    x = 5,750,034,548.23/89,649.02
  6. Step 6: Final answer
    x = 64,139.41

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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.