Home / 90,603.62-125,095.55-56,627.38

Finding the Fourth Proportional to 90,603.62, 125,095.55 and 56,627.38

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Solution

The fourth proportional to 90,603.62, 125,095.55 and 56,627.38 is: 78,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,603.62 : 125,095.55 = 56,627.38 : x
  2. Step 2: Convert to fraction form
    90,603.62/125,095.55 = 56,627.38/x
  3. Step 3: Cross multiply
    90,603.62x = 125,095.55 × 56,627.38
  4. Step 4: Simplify right side
    90,603.62x = 7,083,832,807.38
  5. Step 5: Solve for x
    x = 7,083,832,807.38/90,603.62
  6. Step 6: Final answer
    x = 78,184.88

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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.