Home / 70,306.08-97,025.28-38,477.76

Finding the Fourth Proportional to 70,306.08, 97,025.28 and 38,477.76

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Solution

The fourth proportional to 70,306.08, 97,025.28 and 38,477.76 is: 53,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,306.08 : 97,025.28 = 38,477.76 : x
  2. Step 2: Convert to fraction form
    70,306.08/97,025.28 = 38,477.76/x
  3. Step 3: Cross multiply
    70,306.08x = 97,025.28 × 38,477.76
  4. Step 4: Simplify right side
    70,306.08x = 3,733,315,437.77
  5. Step 5: Solve for x
    x = 3,733,315,437.77/70,306.08
  6. Step 6: Final answer
    x = 53,100.89

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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.