Home / 70,746.33-97,628.90-38,913.33

Finding the Fourth Proportional to 70,746.33, 97,628.90 and 38,913.33

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Solution

The fourth proportional to 70,746.33, 97,628.90 and 38,913.33 is: 53,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,746.33 : 97,628.90 = 38,913.33 : x
  2. Step 2: Convert to fraction form
    70,746.33/97,628.90 = 38,913.33/x
  3. Step 3: Cross multiply
    70,746.33x = 97,628.90 × 38,913.33
  4. Step 4: Simplify right side
    70,746.33x = 3,799,065,408.67
  5. Step 5: Solve for x
    x = 3,799,065,408.67/70,746.33
  6. Step 6: Final answer
    x = 53,699.82

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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.