Home / 76,946.02-106,185.95-45,115.45

Finding the Fourth Proportional to 76,946.02, 106,185.95 and 45,115.45

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Solution

The fourth proportional to 76,946.02, 106,185.95 and 45,115.45 is: 62,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,946.02 : 106,185.95 = 45,115.45 : x
  2. Step 2: Convert to fraction form
    76,946.02/106,185.95 = 45,115.45/x
  3. Step 3: Cross multiply
    76,946.02x = 106,185.95 × 45,115.45
  4. Step 4: Simplify right side
    76,946.02x = 4,790,626,917.93
  5. Step 5: Solve for x
    x = 4,790,626,917.93/76,946.02
  6. Step 6: Final answer
    x = 62,259.58

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1.5x scale

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.