Home / 90,566.03-124,985.16-50,280.35

Finding the Fourth Proportional to 90,566.03, 124,985.16 and 50,280.35

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Solution

The fourth proportional to 90,566.03, 124,985.16 and 50,280.35 is: 69,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,566.03 : 124,985.16 = 50,280.35 : x
  2. Step 2: Convert to fraction form
    90,566.03/124,985.16 = 50,280.35/x
  3. Step 3: Cross multiply
    90,566.03x = 124,985.16 × 50,280.35
  4. Step 4: Simplify right side
    90,566.03x = 6,284,296,964.68
  5. Step 5: Solve for x
    x = 6,284,296,964.68/90,566.03
  6. Step 6: Final answer
    x = 69,389.12

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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.