Home / 90,206.93-124,484.33-49,918.24

Finding the Fourth Proportional to 90,206.93, 124,484.33 and 49,918.24

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Solution

The fourth proportional to 90,206.93, 124,484.33 and 49,918.24 is: 68,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,206.93 : 124,484.33 = 49,918.24 : x
  2. Step 2: Convert to fraction form
    90,206.93/124,484.33 = 49,918.24/x
  3. Step 3: Cross multiply
    90,206.93x = 124,484.33 × 49,918.24
  4. Step 4: Simplify right side
    90,206.93x = 6,214,038,661.18
  5. Step 5: Solve for x
    x = 6,214,038,661.18/90,206.93
  6. Step 6: Final answer
    x = 68,886.49

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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.