Home / 103,848.34-143,215.02-69,332.32

Finding the Fourth Proportional to 103,848.34, 143,215.02 and 69,332.32

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Solution

The fourth proportional to 103,848.34, 143,215.02 and 69,332.32 is: 95,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,848.34 : 143,215.02 = 69,332.32 : x
  2. Step 2: Convert to fraction form
    103,848.34/143,215.02 = 69,332.32/x
  3. Step 3: Cross multiply
    103,848.34x = 143,215.02 × 69,332.32
  4. Step 4: Simplify right side
    103,848.34x = 9,929,429,595.45
  5. Step 5: Solve for x
    x = 9,929,429,595.45/103,848.34
  6. Step 6: Final answer
    x = 95,614.72

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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.