Home / 109,816.86-151,547.67-59,515.74

Finding the Fourth Proportional to 109,816.86, 151,547.67 and 59,515.74

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Solution

The fourth proportional to 109,816.86, 151,547.67 and 59,515.74 is: 82,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,816.86 : 151,547.67 = 59,515.74 : x
  2. Step 2: Convert to fraction form
    109,816.86/151,547.67 = 59,515.74/x
  3. Step 3: Cross multiply
    109,816.86x = 151,547.67 × 59,515.74
  4. Step 4: Simplify right side
    109,816.86x = 9,019,471,725.33
  5. Step 5: Solve for x
    x = 9,019,471,725.33/109,816.86
  6. Step 6: Final answer
    x = 82,131.94

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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.