Home / 70,055.47-96,678.32-38,224.90

Finding the Fourth Proportional to 70,055.47, 96,678.32 and 38,224.90

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Solution

The fourth proportional to 70,055.47, 96,678.32 and 38,224.90 is: 52,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,055.47 : 96,678.32 = 38,224.90 : x
  2. Step 2: Convert to fraction form
    70,055.47/96,678.32 = 38,224.90/x
  3. Step 3: Cross multiply
    70,055.47x = 96,678.32 × 38,224.90
  4. Step 4: Simplify right side
    70,055.47x = 3,695,519,114.17
  5. Step 5: Solve for x
    x = 3,695,519,114.17/70,055.47
  6. Step 6: Final answer
    x = 52,751.33

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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.