Home / 91,527.74-126,270.75-55,689.02

Finding the Fourth Proportional to 91,527.74, 126,270.75 and 55,689.02

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Solution

The fourth proportional to 91,527.74, 126,270.75 and 55,689.02 is: 76,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,527.74 : 126,270.75 = 55,689.02 : x
  2. Step 2: Convert to fraction form
    91,527.74/126,270.75 = 55,689.02/x
  3. Step 3: Cross multiply
    91,527.74x = 126,270.75 × 55,689.02
  4. Step 4: Simplify right side
    91,527.74x = 7,031,894,322.17
  5. Step 5: Solve for x
    x = 7,031,894,322.17/91,527.74
  6. Step 6: Final answer
    x = 76,828.01

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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.