Home / 86,975.76-120,026.59-52,984.25

Finding the Fourth Proportional to 86,975.76, 120,026.59 and 52,984.25

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Solution

The fourth proportional to 86,975.76, 120,026.59 and 52,984.25 is: 73,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,975.76 : 120,026.59 = 52,984.25 : x
  2. Step 2: Convert to fraction form
    86,975.76/120,026.59 = 52,984.25/x
  3. Step 3: Cross multiply
    86,975.76x = 120,026.59 × 52,984.25
  4. Step 4: Simplify right side
    86,975.76x = 6,359,518,851.21
  5. Step 5: Solve for x
    x = 6,359,518,851.21/86,975.76
  6. Step 6: Final answer
    x = 73,118.29

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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.