Home / 97,085.08-133,963.47-56,791.23

Finding the Fourth Proportional to 97,085.08, 133,963.47 and 56,791.23

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Solution

The fourth proportional to 97,085.08, 133,963.47 and 56,791.23 is: 78,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,085.08 : 133,963.47 = 56,791.23 : x
  2. Step 2: Convert to fraction form
    97,085.08/133,963.47 = 56,791.23/x
  3. Step 3: Cross multiply
    97,085.08x = 133,963.47 × 56,791.23
  4. Step 4: Simplify right side
    97,085.08x = 7,607,949,734.01
  5. Step 5: Solve for x
    x = 7,607,949,734.01/97,085.08
  6. Step 6: Final answer
    x = 78,363.74

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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.