Home / 42,088.68-63,123.96-15,795.36

Finding the Fourth Proportional to 42,088.68, 63,123.96 and 15,795.36

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Solution

The fourth proportional to 42,088.68, 63,123.96 and 15,795.36 is: 23,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,088.68 : 63,123.96 = 15,795.36 : x
  2. Step 2: Convert to fraction form
    42,088.68/63,123.96 = 15,795.36/x
  3. Step 3: Cross multiply
    42,088.68x = 63,123.96 × 15,795.36
  4. Step 4: Simplify right side
    42,088.68x = 997,065,672.83
  5. Step 5: Solve for x
    x = 997,065,672.83/42,088.68
  6. Step 6: Final answer
    x = 23,689.64

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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.