Home / 70,917.60-97,835.52-42,221.20

Finding the Fourth Proportional to 70,917.60, 97,835.52 and 42,221.20

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Solution

The fourth proportional to 70,917.60, 97,835.52 and 42,221.20 is: 58,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,917.60 : 97,835.52 = 42,221.20 : x
  2. Step 2: Convert to fraction form
    70,917.60/97,835.52 = 42,221.20/x
  3. Step 3: Cross multiply
    70,917.60x = 97,835.52 × 42,221.20
  4. Step 4: Simplify right side
    70,917.60x = 4,130,733,057.02
  5. Step 5: Solve for x
    x = 4,130,733,057.02/70,917.60
  6. Step 6: Final answer
    x = 58,246.94

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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.