Home / 75,083.02-103,614.86-48,225.76

Finding the Fourth Proportional to 75,083.02, 103,614.86 and 48,225.76

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Solution

The fourth proportional to 75,083.02, 103,614.86 and 48,225.76 is: 66,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,083.02 : 103,614.86 = 48,225.76 : x
  2. Step 2: Convert to fraction form
    75,083.02/103,614.86 = 48,225.76/x
  3. Step 3: Cross multiply
    75,083.02x = 103,614.86 × 48,225.76
  4. Step 4: Simplify right side
    75,083.02x = 4,996,905,370.79
  5. Step 5: Solve for x
    x = 4,996,905,370.79/75,083.02
  6. Step 6: Final answer
    x = 66,551.74

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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.