Home / 86,838.30-119,828.70-48,587.58

Finding the Fourth Proportional to 86,838.30, 119,828.70 and 48,587.58

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Solution

The fourth proportional to 86,838.30, 119,828.70 and 48,587.58 is: 67,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,838.30 : 119,828.70 = 48,587.58 : x
  2. Step 2: Convert to fraction form
    86,838.30/119,828.70 = 48,587.58/x
  3. Step 3: Cross multiply
    86,838.30x = 119,828.70 × 48,587.58
  4. Step 4: Simplify right side
    86,838.30x = 5,822,186,547.55
  5. Step 5: Solve for x
    x = 5,822,186,547.55/86,838.30
  6. Step 6: Final answer
    x = 67,046.30

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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.