Home / 70,903.21-97,860.55-40,708.93

Finding the Fourth Proportional to 70,903.21, 97,860.55 and 40,708.93

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Solution

The fourth proportional to 70,903.21, 97,860.55 and 40,708.93 is: 56,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,903.21 : 97,860.55 = 40,708.93 : x
  2. Step 2: Convert to fraction form
    70,903.21/97,860.55 = 40,708.93/x
  3. Step 3: Cross multiply
    70,903.21x = 97,860.55 × 40,708.93
  4. Step 4: Simplify right side
    70,903.21x = 3,983,798,279.71
  5. Step 5: Solve for x
    x = 3,983,798,279.71/70,903.21
  6. Step 6: Final answer
    x = 56,186.43

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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.