Home / 70,686.15-97,563.69-40,488.81

Finding the Fourth Proportional to 70,686.15, 97,563.69 and 40,488.81

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Solution

The fourth proportional to 70,686.15, 97,563.69 and 40,488.81 is: 55,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,686.15 : 97,563.69 = 40,488.81 : x
  2. Step 2: Convert to fraction form
    70,686.15/97,563.69 = 40,488.81/x
  3. Step 3: Cross multiply
    70,686.15x = 97,563.69 × 40,488.81
  4. Step 4: Simplify right side
    70,686.15x = 3,950,237,707.31
  5. Step 5: Solve for x
    x = 3,950,237,707.31/70,686.15
  6. Step 6: Final answer
    x = 55,884.18

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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.