Home / 70,869.12-97,708.56-58,075.20

Finding the Fourth Proportional to 70,869.12, 97,708.56 and 58,075.20

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Solution

The fourth proportional to 70,869.12, 97,708.56 and 58,075.20 is: 80,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,869.12 : 97,708.56 = 58,075.20 : x
  2. Step 2: Convert to fraction form
    70,869.12/97,708.56 = 58,075.20/x
  3. Step 3: Cross multiply
    70,869.12x = 97,708.56 × 58,075.20
  4. Step 4: Simplify right side
    70,869.12x = 5,674,444,163.71
  5. Step 5: Solve for x
    x = 5,674,444,163.71/70,869.12
  6. Step 6: Final answer
    x = 80,069.35

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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.