Home / 70,960.08-97,931.48-40,749.36

Finding the Fourth Proportional to 70,960.08, 97,931.48 and 40,749.36

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Solution

The fourth proportional to 70,960.08, 97,931.48 and 40,749.36 is: 56,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,960.08 : 97,931.48 = 40,749.36 : x
  2. Step 2: Convert to fraction form
    70,960.08/97,931.48 = 40,749.36/x
  3. Step 3: Cross multiply
    70,960.08x = 97,931.48 × 40,749.36
  4. Step 4: Simplify right side
    70,960.08x = 3,990,645,133.85
  5. Step 5: Solve for x
    x = 3,990,645,133.85/70,960.08
  6. Step 6: Final answer
    x = 56,237.89

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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.