Home / 70,854.55-97,777.28-38,588.44

Finding the Fourth Proportional to 70,854.55, 97,777.28 and 38,588.44

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Solution

The fourth proportional to 70,854.55, 97,777.28 and 38,588.44 is: 53,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,854.55 : 97,777.28 = 38,588.44 : x
  2. Step 2: Convert to fraction form
    70,854.55/97,777.28 = 38,588.44/x
  3. Step 3: Cross multiply
    70,854.55x = 97,777.28 × 38,588.44
  4. Step 4: Simplify right side
    70,854.55x = 3,773,072,020.81
  5. Step 5: Solve for x
    x = 3,773,072,020.81/70,854.55
  6. Step 6: Final answer
    x = 53,250.95

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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.