Home / 109,771.16-151,484.36-59,470.16

Finding the Fourth Proportional to 109,771.16, 151,484.36 and 59,470.16

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Solution

The fourth proportional to 109,771.16, 151,484.36 and 59,470.16 is: 82,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,771.16 : 151,484.36 = 59,470.16 : x
  2. Step 2: Convert to fraction form
    109,771.16/151,484.36 = 59,470.16/x
  3. Step 3: Cross multiply
    109,771.16x = 151,484.36 × 59,470.16
  4. Step 4: Simplify right side
    109,771.16x = 9,008,799,126.70
  5. Step 5: Solve for x
    x = 9,008,799,126.70/109,771.16
  6. Step 6: Final answer
    x = 82,068.91

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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.