Home / 70,359.20-97,095.76-38,528.08

Finding the Fourth Proportional to 70,359.20, 97,095.76 and 38,528.08

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Solution

The fourth proportional to 70,359.20, 97,095.76 and 38,528.08 is: 53,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,359.20 : 97,095.76 = 38,528.08 : x
  2. Step 2: Convert to fraction form
    70,359.20/97,095.76 = 38,528.08/x
  3. Step 3: Cross multiply
    70,359.20x = 97,095.76 × 38,528.08
  4. Step 4: Simplify right side
    70,359.20x = 3,740,913,208.94
  5. Step 5: Solve for x
    x = 3,740,913,208.94/70,359.20
  6. Step 6: Final answer
    x = 53,168.79

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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.