Home / 98,503.04-147,752.51-66,833.91

Finding the Fourth Proportional to 98,503.04, 147,752.51 and 66,833.91

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Solution

The fourth proportional to 98,503.04, 147,752.51 and 66,833.91 is: 100,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,503.04 : 147,752.51 = 66,833.91 : x
  2. Step 2: Convert to fraction form
    98,503.04/147,752.51 = 66,833.91/x
  3. Step 3: Cross multiply
    98,503.04x = 147,752.51 × 66,833.91
  4. Step 4: Simplify right side
    98,503.04x = 9,874,877,621.44
  5. Step 5: Solve for x
    x = 9,874,877,621.44/98,503.04
  6. Step 6: Final answer
    x = 100,249.47

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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.