Home / 75,529.50-113,075.55-56,888.06

Finding the Fourth Proportional to 75,529.50, 113,075.55 and 56,888.06

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Solution

The fourth proportional to 75,529.50, 113,075.55 and 56,888.06 is: 85,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,529.50 : 113,075.55 = 56,888.06 : x
  2. Step 2: Convert to fraction form
    75,529.50/113,075.55 = 56,888.06/x
  3. Step 3: Cross multiply
    75,529.50x = 113,075.55 × 56,888.06
  4. Step 4: Simplify right side
    75,529.50x = 6,432,648,672.93
  5. Step 5: Solve for x
    x = 6,432,648,672.93/75,529.50
  6. Step 6: Final answer
    x = 85,167.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.