Home / 97,003.78-133,852.16-56,724.10

Finding the Fourth Proportional to 97,003.78, 133,852.16 and 56,724.10

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Solution

The fourth proportional to 97,003.78, 133,852.16 and 56,724.10 is: 78,271.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,003.78 : 133,852.16 = 56,724.10 : x
  2. Step 2: Convert to fraction form
    97,003.78/133,852.16 = 56,724.10/x
  3. Step 3: Cross multiply
    97,003.78x = 133,852.16 × 56,724.10
  4. Step 4: Simplify right side
    97,003.78x = 7,592,643,309.06
  5. Step 5: Solve for x
    x = 7,592,643,309.06/97,003.78
  6. Step 6: Final answer
    x = 78,271.62

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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.