Home / 92,898.13-128,195.12-52,612.18

Finding the Fourth Proportional to 92,898.13, 128,195.12 and 52,612.18

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Solution

The fourth proportional to 92,898.13, 128,195.12 and 52,612.18 is: 72,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,898.13 : 128,195.12 = 52,612.18 : x
  2. Step 2: Convert to fraction form
    92,898.13/128,195.12 = 52,612.18/x
  3. Step 3: Cross multiply
    92,898.13x = 128,195.12 × 52,612.18
  4. Step 4: Simplify right side
    92,898.13x = 6,744,624,728.56
  5. Step 5: Solve for x
    x = 6,744,624,728.56/92,898.13
  6. Step 6: Final answer
    x = 72,602.37

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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.