Home / 70,533.90-97,336.76-40,319.87

Finding the Fourth Proportional to 70,533.90, 97,336.76 and 40,319.87

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Solution

The fourth proportional to 70,533.90, 97,336.76 and 40,319.87 is: 55,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,533.90 : 97,336.76 = 40,319.87 : x
  2. Step 2: Convert to fraction form
    70,533.90/97,336.76 = 40,319.87/x
  3. Step 3: Cross multiply
    70,533.90x = 97,336.76 × 40,319.87
  4. Step 4: Simplify right side
    70,533.90x = 3,924,605,435.10
  5. Step 5: Solve for x
    x = 3,924,605,435.10/70,533.90
  6. Step 6: Final answer
    x = 55,641.41

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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.