Home / 109,931.08-151,705.86-59,631.08

Finding the Fourth Proportional to 109,931.08, 151,705.86 and 59,631.08

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Solution

The fourth proportional to 109,931.08, 151,705.86 and 59,631.08 is: 82,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,931.08 : 151,705.86 = 59,631.08 : x
  2. Step 2: Convert to fraction form
    109,931.08/151,705.86 = 59,631.08/x
  3. Step 3: Cross multiply
    109,931.08x = 151,705.86 × 59,631.08
  4. Step 4: Simplify right side
    109,931.08x = 9,046,384,274.13
  5. Step 5: Solve for x
    x = 9,046,384,274.13/109,931.08
  6. Step 6: Final answer
    x = 82,291.42

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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.