Home / 63,430.26-87,530.40-35,134.08

Finding the Fourth Proportional to 63,430.26, 87,530.40 and 35,134.08

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Solution

The fourth proportional to 63,430.26, 87,530.40 and 35,134.08 is: 48,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,430.26 : 87,530.40 = 35,134.08 : x
  2. Step 2: Convert to fraction form
    63,430.26/87,530.40 = 35,134.08/x
  3. Step 3: Cross multiply
    63,430.26x = 87,530.40 × 35,134.08
  4. Step 4: Simplify right side
    63,430.26x = 3,075,300,076.03
  5. Step 5: Solve for x
    x = 3,075,300,076.03/63,430.26
  6. Step 6: Final answer
    x = 48,483.17

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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.