Home / 118,985.71-178,384.93-58,972.91

Finding the Fourth Proportional to 118,985.71, 178,384.93 and 58,972.91

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Solution

The fourth proportional to 118,985.71, 178,384.93 and 58,972.91 is: 88,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,985.71 : 178,384.93 = 58,972.91 : x
  2. Step 2: Convert to fraction form
    118,985.71/178,384.93 = 58,972.91/x
  3. Step 3: Cross multiply
    118,985.71x = 178,384.93 × 58,972.91
  4. Step 4: Simplify right side
    118,985.71x = 10,519,878,718.03
  5. Step 5: Solve for x
    x = 10,519,878,718.03/118,985.71
  6. Step 6: Final answer
    x = 88,412.96

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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.