Home / 75,017.90-103,475.93-48,117.80

Finding the Fourth Proportional to 75,017.90, 103,475.93 and 48,117.80

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Solution

The fourth proportional to 75,017.90, 103,475.93 and 48,117.80 is: 66,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,017.90 : 103,475.93 = 48,117.80 : x
  2. Step 2: Convert to fraction form
    75,017.90/103,475.93 = 48,117.80/x
  3. Step 3: Cross multiply
    75,017.90x = 103,475.93 × 48,117.80
  4. Step 4: Simplify right side
    75,017.90x = 4,979,033,346.59
  5. Step 5: Solve for x
    x = 4,979,033,346.59/75,017.90
  6. Step 6: Final answer
    x = 66,371.28

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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.