Home / 91,802.90-137,593.62-47,405.45

Finding the Fourth Proportional to 91,802.90, 137,593.62 and 47,405.45

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Solution

The fourth proportional to 91,802.90, 137,593.62 and 47,405.45 is: 71,050.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,802.90 : 137,593.62 = 47,405.45 : x
  2. Step 2: Convert to fraction form
    91,802.90/137,593.62 = 47,405.45/x
  3. Step 3: Cross multiply
    91,802.90x = 137,593.62 × 47,405.45
  4. Step 4: Simplify right side
    91,802.90x = 6,522,686,785.26
  5. Step 5: Solve for x
    x = 6,522,686,785.26/91,802.90
  6. Step 6: Final answer
    x = 71,050.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.