Home / 93,479.10-140,218.65-38,075.10

Finding the Fourth Proportional to 93,479.10, 140,218.65 and 38,075.10

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Solution

The fourth proportional to 93,479.10, 140,218.65 and 38,075.10 is: 57,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,479.10 : 140,218.65 = 38,075.10 : x
  2. Step 2: Convert to fraction form
    93,479.10/140,218.65 = 38,075.10/x
  3. Step 3: Cross multiply
    93,479.10x = 140,218.65 × 38,075.10
  4. Step 4: Simplify right side
    93,479.10x = 5,338,839,120.62
  5. Step 5: Solve for x
    x = 5,338,839,120.62/93,479.10
  6. Step 6: Final answer
    x = 57,112.65

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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.