Home / 70,569.10-97,385.52-38,738.08

Finding the Fourth Proportional to 70,569.10, 97,385.52 and 38,738.08

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Solution

The fourth proportional to 70,569.10, 97,385.52 and 38,738.08 is: 53,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,569.10 : 97,385.52 = 38,738.08 : x
  2. Step 2: Convert to fraction form
    70,569.10/97,385.52 = 38,738.08/x
  3. Step 3: Cross multiply
    70,569.10x = 97,385.52 × 38,738.08
  4. Step 4: Simplify right side
    70,569.10x = 3,772,528,064.60
  5. Step 5: Solve for x
    x = 3,772,528,064.60/70,569.10
  6. Step 6: Final answer
    x = 53,458.64

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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.