Home / 70,938.32-97,899.03-40,723.70

Finding the Fourth Proportional to 70,938.32, 97,899.03 and 40,723.70

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Solution

The fourth proportional to 70,938.32, 97,899.03 and 40,723.70 is: 56,201.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,938.32 : 97,899.03 = 40,723.70 : x
  2. Step 2: Convert to fraction form
    70,938.32/97,899.03 = 40,723.70/x
  3. Step 3: Cross multiply
    70,938.32x = 97,899.03 × 40,723.70
  4. Step 4: Simplify right side
    70,938.32x = 3,986,810,238.52
  5. Step 5: Solve for x
    x = 3,986,810,238.52/70,938.32
  6. Step 6: Final answer
    x = 56,201.08

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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.