Home / 62,981.28-86,848.61-48,643.47

Finding the Fourth Proportional to 62,981.28, 86,848.61 and 48,643.47

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Solution

The fourth proportional to 62,981.28, 86,848.61 and 48,643.47 is: 67,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,981.28 : 86,848.61 = 48,643.47 : x
  2. Step 2: Convert to fraction form
    62,981.28/86,848.61 = 48,643.47/x
  3. Step 3: Cross multiply
    62,981.28x = 86,848.61 × 48,643.47
  4. Step 4: Simplify right side
    62,981.28x = 4,224,617,511.86
  5. Step 5: Solve for x
    x = 4,224,617,511.86/62,981.28
  6. Step 6: Final answer
    x = 67,077.35

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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.