Home / 121,923.59-182,963.15-51,802.91

Finding the Fourth Proportional to 121,923.59, 182,963.15 and 51,802.91

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Solution

The fourth proportional to 121,923.59, 182,963.15 and 51,802.91 is: 77,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,923.59 : 182,963.15 = 51,802.91 : x
  2. Step 2: Convert to fraction form
    121,923.59/182,963.15 = 51,802.91/x
  3. Step 3: Cross multiply
    121,923.59x = 182,963.15 × 51,802.91
  4. Step 4: Simplify right side
    121,923.59x = 9,478,022,418.94
  5. Step 5: Solve for x
    x = 9,478,022,418.94/121,923.59
  6. Step 6: Final answer
    x = 77,737.40

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1.5x scale

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.