Home / 70,378.16-97,123.11-38,545.01

Finding the Fourth Proportional to 70,378.16, 97,123.11 and 38,545.01

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Solution

The fourth proportional to 70,378.16, 97,123.11 and 38,545.01 is: 53,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,378.16 : 97,123.11 = 38,545.01 : x
  2. Step 2: Convert to fraction form
    70,378.16/97,123.11 = 38,545.01/x
  3. Step 3: Cross multiply
    70,378.16x = 97,123.11 × 38,545.01
  4. Step 4: Simplify right side
    70,378.16x = 3,743,610,760.57
  5. Step 5: Solve for x
    x = 3,743,610,760.57/70,378.16
  6. Step 6: Final answer
    x = 53,192.79

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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.