Home / 75,017.40-103,475.23-48,117.30

Finding the Fourth Proportional to 75,017.40, 103,475.23 and 48,117.30

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Solution

The fourth proportional to 75,017.40, 103,475.23 and 48,117.30 is: 66,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,017.40 : 103,475.23 = 48,117.30 : x
  2. Step 2: Convert to fraction form
    75,017.40/103,475.23 = 48,117.30/x
  3. Step 3: Cross multiply
    75,017.40x = 103,475.23 × 48,117.30
  4. Step 4: Simplify right side
    75,017.40x = 4,978,948,684.48
  5. Step 5: Solve for x
    x = 4,978,948,684.48/75,017.40
  6. Step 6: Final answer
    x = 66,370.58

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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.