Home / 77,191.08-106,528.59-43,203.48

Finding the Fourth Proportional to 77,191.08, 106,528.59 and 43,203.48

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Solution

The fourth proportional to 77,191.08, 106,528.59 and 43,203.48 is: 59,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,191.08 : 106,528.59 = 43,203.48 : x
  2. Step 2: Convert to fraction form
    77,191.08/106,528.59 = 43,203.48/x
  3. Step 3: Cross multiply
    77,191.08x = 106,528.59 × 43,203.48
  4. Step 4: Simplify right side
    77,191.08x = 4,602,405,807.49
  5. Step 5: Solve for x
    x = 4,602,405,807.49/77,191.08
  6. Step 6: Final answer
    x = 59,623.54

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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.