Home / 90,001.08-124,199.08-49,713.98

Finding the Fourth Proportional to 90,001.08, 124,199.08 and 49,713.98

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Solution

The fourth proportional to 90,001.08, 124,199.08 and 49,713.98 is: 68,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.08 : 124,199.08 = 49,713.98 : x
  2. Step 2: Convert to fraction form
    90,001.08/124,199.08 = 49,713.98/x
  3. Step 3: Cross multiply
    90,001.08x = 124,199.08 × 49,713.98
  4. Step 4: Simplify right side
    90,001.08x = 6,174,430,579.14
  5. Step 5: Solve for x
    x = 6,174,430,579.14/90,001.08
  6. Step 6: Final answer
    x = 68,603.96

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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.