Home / 86,148.50-118,892.53-48,423.06

Finding the Fourth Proportional to 86,148.50, 118,892.53 and 48,423.06

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Solution

The fourth proportional to 86,148.50, 118,892.53 and 48,423.06 is: 66,828.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,148.50 : 118,892.53 = 48,423.06 : x
  2. Step 2: Convert to fraction form
    86,148.50/118,892.53 = 48,423.06/x
  3. Step 3: Cross multiply
    86,148.50x = 118,892.53 × 48,423.06
  4. Step 4: Simplify right side
    86,148.50x = 5,757,140,113.74
  5. Step 5: Solve for x
    x = 5,757,140,113.74/86,148.50
  6. Step 6: Final answer
    x = 66,828.09

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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.