Home / 57,475.95-86,206.63-42,706.41

Finding the Fourth Proportional to 57,475.95, 86,206.63 and 42,706.41

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Solution

The fourth proportional to 57,475.95, 86,206.63 and 42,706.41 is: 64,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.95 : 86,206.63 = 42,706.41 : x
  2. Step 2: Convert to fraction form
    57,475.95/86,206.63 = 42,706.41/x
  3. Step 3: Cross multiply
    57,475.95x = 86,206.63 × 42,706.41
  4. Step 4: Simplify right side
    57,475.95x = 3,681,575,685.50
  5. Step 5: Solve for x
    x = 3,681,575,685.50/57,475.95
  6. Step 6: Final answer
    x = 64,054.19

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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.