Home / 97,571.40-134,626.77-56,729.13

Finding the Fourth Proportional to 97,571.40, 134,626.77 and 56,729.13

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Solution

The fourth proportional to 97,571.40, 134,626.77 and 56,729.13 is: 78,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,571.40 : 134,626.77 = 56,729.13 : x
  2. Step 2: Convert to fraction form
    97,571.40/134,626.77 = 56,729.13/x
  3. Step 3: Cross multiply
    97,571.40x = 134,626.77 × 56,729.13
  4. Step 4: Simplify right side
    97,571.40x = 7,637,259,536.81
  5. Step 5: Solve for x
    x = 7,637,259,536.81/97,571.40
  6. Step 6: Final answer
    x = 78,273.55

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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.