Home / 124,763.49-172,181.78-70,329.06

Finding the Fourth Proportional to 124,763.49, 172,181.78 and 70,329.06

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Solution

The fourth proportional to 124,763.49, 172,181.78 and 70,329.06 is: 97,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,763.49 : 172,181.78 = 70,329.06 : x
  2. Step 2: Convert to fraction form
    124,763.49/172,181.78 = 70,329.06/x
  3. Step 3: Cross multiply
    124,763.49x = 172,181.78 × 70,329.06
  4. Step 4: Simplify right side
    124,763.49x = 12,109,382,736.53
  5. Step 5: Solve for x
    x = 12,109,382,736.53/124,763.49
  6. Step 6: Final answer
    x = 97,058.70

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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.