Home / 103,901.02-155,856.16-31,848.62

Finding the Fourth Proportional to 103,901.02, 155,856.16 and 31,848.62

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Solution

The fourth proportional to 103,901.02, 155,856.16 and 31,848.62 is: 47,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,901.02 : 155,856.16 = 31,848.62 : x
  2. Step 2: Convert to fraction form
    103,901.02/155,856.16 = 31,848.62/x
  3. Step 3: Cross multiply
    103,901.02x = 155,856.16 × 31,848.62
  4. Step 4: Simplify right side
    103,901.02x = 4,963,803,614.50
  5. Step 5: Solve for x
    x = 4,963,803,614.50/103,901.02
  6. Step 6: Final answer
    x = 47,774.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.