Home / 102,682.24-141,623.04-70,904.32

Finding the Fourth Proportional to 102,682.24, 141,623.04 and 70,904.32

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Solution

The fourth proportional to 102,682.24, 141,623.04 and 70,904.32 is: 97,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,682.24 : 141,623.04 = 70,904.32 : x
  2. Step 2: Convert to fraction form
    102,682.24/141,623.04 = 70,904.32/x
  3. Step 3: Cross multiply
    102,682.24x = 141,623.04 × 70,904.32
  4. Step 4: Simplify right side
    102,682.24x = 10,041,685,347.53
  5. Step 5: Solve for x
    x = 10,041,685,347.53/102,682.24
  6. Step 6: Final answer
    x = 97,793.79

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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.