Home / 91,543.44-126,314.74-57,527.76

Finding the Fourth Proportional to 91,543.44, 126,314.74 and 57,527.76

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Solution

The fourth proportional to 91,543.44, 126,314.74 and 57,527.76 is: 79,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,543.44 : 126,314.74 = 57,527.76 : x
  2. Step 2: Convert to fraction form
    91,543.44/126,314.74 = 57,527.76/x
  3. Step 3: Cross multiply
    91,543.44x = 126,314.74 × 57,527.76
  4. Step 4: Simplify right side
    91,543.44x = 7,266,604,047.18
  5. Step 5: Solve for x
    x = 7,266,604,047.18/91,543.44
  6. Step 6: Final answer
    x = 79,378.75

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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.