Home / 47,102.52-70,347.21-42,203.64

Finding the Fourth Proportional to 47,102.52, 70,347.21 and 42,203.64

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Solution

The fourth proportional to 47,102.52, 70,347.21 and 42,203.64 is: 63,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,102.52 : 70,347.21 = 42,203.64 : x
  2. Step 2: Convert to fraction form
    47,102.52/70,347.21 = 42,203.64/x
  3. Step 3: Cross multiply
    47,102.52x = 70,347.21 × 42,203.64
  4. Step 4: Simplify right side
    47,102.52x = 2,968,908,325.84
  5. Step 5: Solve for x
    x = 2,968,908,325.84/47,102.52
  6. Step 6: Final answer
    x = 63,030.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.