Home / 60,601.08-90,943.15-21,158.18

Finding the Fourth Proportional to 60,601.08, 90,943.15 and 21,158.18

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Solution

The fourth proportional to 60,601.08, 90,943.15 and 21,158.18 is: 31,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,601.08 : 90,943.15 = 21,158.18 : x
  2. Step 2: Convert to fraction form
    60,601.08/90,943.15 = 21,158.18/x
  3. Step 3: Cross multiply
    60,601.08x = 90,943.15 × 21,158.18
  4. Step 4: Simplify right side
    60,601.08x = 1,924,191,537.47
  5. Step 5: Solve for x
    x = 1,924,191,537.47/60,601.08
  6. Step 6: Final answer
    x = 31,751.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.