Home / 70,276.05-96,981.84-38,445.48

Finding the Fourth Proportional to 70,276.05, 96,981.84 and 38,445.48

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Solution

The fourth proportional to 70,276.05, 96,981.84 and 38,445.48 is: 53,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,276.05 : 96,981.84 = 38,445.48 : x
  2. Step 2: Convert to fraction form
    70,276.05/96,981.84 = 38,445.48/x
  3. Step 3: Cross multiply
    70,276.05x = 96,981.84 × 38,445.48
  4. Step 4: Simplify right side
    70,276.05x = 3,728,513,390.08
  5. Step 5: Solve for x
    x = 3,728,513,390.08/70,276.05
  6. Step 6: Final answer
    x = 53,055.25

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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.