Home / 70,587.18-97,410.60-38,756.70

Finding the Fourth Proportional to 70,587.18, 97,410.60 and 38,756.70

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Solution

The fourth proportional to 70,587.18, 97,410.60 and 38,756.70 is: 53,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,587.18 : 97,410.60 = 38,756.70 : x
  2. Step 2: Convert to fraction form
    70,587.18/97,410.60 = 38,756.70/x
  3. Step 3: Cross multiply
    70,587.18x = 97,410.60 × 38,756.70
  4. Step 4: Simplify right side
    70,587.18x = 3,775,313,401.02
  5. Step 5: Solve for x
    x = 3,775,313,401.02/70,587.18
  6. Step 6: Final answer
    x = 53,484.41

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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.