Home / 109,809.16-151,532.58-59,507.08

Finding the Fourth Proportional to 109,809.16, 151,532.58 and 59,507.08

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Solution

The fourth proportional to 109,809.16, 151,532.58 and 59,507.08 is: 82,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,809.16 : 151,532.58 = 59,507.08 : x
  2. Step 2: Convert to fraction form
    109,809.16/151,532.58 = 59,507.08/x
  3. Step 3: Cross multiply
    109,809.16x = 151,532.58 × 59,507.08
  4. Step 4: Simplify right side
    109,809.16x = 9,017,261,360.67
  5. Step 5: Solve for x
    x = 9,017,261,360.67/109,809.16
  6. Step 6: Final answer
    x = 82,117.57

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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.