Home / 109,483.08-151,088.04-66,450.12

Finding the Fourth Proportional to 109,483.08, 151,088.04 and 66,450.12

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Solution

The fourth proportional to 109,483.08, 151,088.04 and 66,450.12 is: 91,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,483.08 : 151,088.04 = 66,450.12 : x
  2. Step 2: Convert to fraction form
    109,483.08/151,088.04 = 66,450.12/x
  3. Step 3: Cross multiply
    109,483.08x = 151,088.04 × 66,450.12
  4. Step 4: Simplify right side
    109,483.08x = 10,039,818,388.56
  5. Step 5: Solve for x
    x = 10,039,818,388.56/109,483.08
  6. Step 6: Final answer
    x = 91,702.01

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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.