Home / 70,852.47-97,778.77-38,588.34

Finding the Fourth Proportional to 70,852.47, 97,778.77 and 38,588.34

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Solution

The fourth proportional to 70,852.47, 97,778.77 and 38,588.34 is: 53,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,852.47 : 97,778.77 = 38,588.34 : x
  2. Step 2: Convert to fraction form
    70,852.47/97,778.77 = 38,588.34/x
  3. Step 3: Cross multiply
    70,852.47x = 97,778.77 × 38,588.34
  4. Step 4: Simplify right side
    70,852.47x = 3,773,120,421.54
  5. Step 5: Solve for x
    x = 3,773,120,421.54/70,852.47
  6. Step 6: Final answer
    x = 53,253.20

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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.