Home / 63,428.59-87,534.35-35,134.29

Finding the Fourth Proportional to 63,428.59, 87,534.35 and 35,134.29

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Solution

The fourth proportional to 63,428.59, 87,534.35 and 35,134.29 is: 48,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,428.59 : 87,534.35 = 35,134.29 : x
  2. Step 2: Convert to fraction form
    63,428.59/87,534.35 = 35,134.29/x
  3. Step 3: Cross multiply
    63,428.59x = 87,534.35 × 35,134.29
  4. Step 4: Simplify right side
    63,428.59x = 3,075,457,237.86
  5. Step 5: Solve for x
    x = 3,075,457,237.86/63,428.59
  6. Step 6: Final answer
    x = 48,486.92

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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.