Home / 90,307.84-135,387.87-34,116.06

Finding the Fourth Proportional to 90,307.84, 135,387.87 and 34,116.06

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Solution

The fourth proportional to 90,307.84, 135,387.87 and 34,116.06 is: 51,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,307.84 : 135,387.87 = 34,116.06 : x
  2. Step 2: Convert to fraction form
    90,307.84/135,387.87 = 34,116.06/x
  3. Step 3: Cross multiply
    90,307.84x = 135,387.87 × 34,116.06
  4. Step 4: Simplify right side
    90,307.84x = 4,618,900,696.19
  5. Step 5: Solve for x
    x = 4,618,900,696.19/90,307.84
  6. Step 6: Final answer
    x = 51,146.18

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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.