Home / 71,235.12-98,261.63-47,036.30

Finding the Fourth Proportional to 71,235.12, 98,261.63 and 47,036.30

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Solution

The fourth proportional to 71,235.12, 98,261.63 and 47,036.30 is: 64,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,235.12 : 98,261.63 = 47,036.30 : x
  2. Step 2: Convert to fraction form
    71,235.12/98,261.63 = 47,036.30/x
  3. Step 3: Cross multiply
    71,235.12x = 98,261.63 × 47,036.30
  4. Step 4: Simplify right side
    71,235.12x = 4,621,863,517.64
  5. Step 5: Solve for x
    x = 4,621,863,517.64/71,235.12
  6. Step 6: Final answer
    x = 64,881.81

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1.5x scale

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.