Home / 86,466.40-129,685.02-33,132.76

Finding the Fourth Proportional to 86,466.40, 129,685.02 and 33,132.76

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Solution

The fourth proportional to 86,466.40, 129,685.02 and 33,132.76 is: 49,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,466.40 : 129,685.02 = 33,132.76 : x
  2. Step 2: Convert to fraction form
    86,466.40/129,685.02 = 33,132.76/x
  3. Step 3: Cross multiply
    86,466.40x = 129,685.02 × 33,132.76
  4. Step 4: Simplify right side
    86,466.40x = 4,296,822,643.26
  5. Step 5: Solve for x
    x = 4,296,822,643.26/86,466.40
  6. Step 6: Final answer
    x = 49,693.55

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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.