Home / 70,338.02-97,066.47-38,506.92

Finding the Fourth Proportional to 70,338.02, 97,066.47 and 38,506.92

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Solution

The fourth proportional to 70,338.02, 97,066.47 and 38,506.92 is: 53,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,338.02 : 97,066.47 = 38,506.92 : x
  2. Step 2: Convert to fraction form
    70,338.02/97,066.47 = 38,506.92/x
  3. Step 3: Cross multiply
    70,338.02x = 97,066.47 × 38,506.92
  4. Step 4: Simplify right side
    70,338.02x = 3,737,730,794.97
  5. Step 5: Solve for x
    x = 3,737,730,794.97/70,338.02
  6. Step 6: Final answer
    x = 53,139.55

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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.