Home / 109,873.04-151,623.88-62,135.76

Finding the Fourth Proportional to 109,873.04, 151,623.88 and 62,135.76

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Solution

The fourth proportional to 109,873.04, 151,623.88 and 62,135.76 is: 85,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,873.04 : 151,623.88 = 62,135.76 : x
  2. Step 2: Convert to fraction form
    109,873.04/151,623.88 = 62,135.76/x
  3. Step 3: Cross multiply
    109,873.04x = 151,623.88 × 62,135.76
  4. Step 4: Simplify right side
    109,873.04x = 9,421,265,017.95
  5. Step 5: Solve for x
    x = 9,421,265,017.95/109,873.04
  6. Step 6: Final answer
    x = 85,746.83

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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.