Home / 70,254.03-96,948.60-38,420.93

Finding the Fourth Proportional to 70,254.03, 96,948.60 and 38,420.93

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Solution

The fourth proportional to 70,254.03, 96,948.60 and 38,420.93 is: 53,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,254.03 : 96,948.60 = 38,420.93 : x
  2. Step 2: Convert to fraction form
    70,254.03/96,948.60 = 38,420.93/x
  3. Step 3: Cross multiply
    70,254.03x = 96,948.60 × 38,420.93
  4. Step 4: Simplify right side
    70,254.03x = 3,724,855,472.49
  5. Step 5: Solve for x
    x = 3,724,855,472.49/70,254.03
  6. Step 6: Final answer
    x = 53,019.81

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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.