Home / 97,078.50-133,971.57-59,345.46

Finding the Fourth Proportional to 97,078.50, 133,971.57 and 59,345.46

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Solution

The fourth proportional to 97,078.50, 133,971.57 and 59,345.46 is: 81,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,078.50 : 133,971.57 = 59,345.46 : x
  2. Step 2: Convert to fraction form
    97,078.50/133,971.57 = 59,345.46/x
  3. Step 3: Cross multiply
    97,078.50x = 133,971.57 × 59,345.46
  4. Step 4: Simplify right side
    97,078.50x = 7,950,604,448.57
  5. Step 5: Solve for x
    x = 7,950,604,448.57/97,078.50
  6. Step 6: Final answer
    x = 81,898.72

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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.