Home / 98,772.47-148,162.85-31,303.04

Finding the Fourth Proportional to 98,772.47, 148,162.85 and 31,303.04

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Solution

The fourth proportional to 98,772.47, 148,162.85 and 31,303.04 is: 46,955.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,772.47 : 148,162.85 = 31,303.04 : x
  2. Step 2: Convert to fraction form
    98,772.47/148,162.85 = 31,303.04/x
  3. Step 3: Cross multiply
    98,772.47x = 148,162.85 × 31,303.04
  4. Step 4: Simplify right side
    98,772.47x = 4,637,946,840.12
  5. Step 5: Solve for x
    x = 4,637,946,840.12/98,772.47
  6. Step 6: Final answer
    x = 46,955.87

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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.