Home / 97,012.15-133,876.80-54,570.71

Finding the Fourth Proportional to 97,012.15, 133,876.80 and 54,570.71

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Solution

The fourth proportional to 97,012.15, 133,876.80 and 54,570.71 is: 75,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,012.15 : 133,876.80 = 54,570.71 : x
  2. Step 2: Convert to fraction form
    97,012.15/133,876.80 = 54,570.71/x
  3. Step 3: Cross multiply
    97,012.15x = 133,876.80 × 54,570.71
  4. Step 4: Simplify right side
    97,012.15x = 7,305,752,363.22
  5. Step 5: Solve for x
    x = 7,305,752,363.22/97,012.15
  6. Step 6: Final answer
    x = 75,307.60

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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.