Home / 91,253.06-125,901.67-53,005.17

Finding the Fourth Proportional to 91,253.06, 125,901.67 and 53,005.17

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Solution

The fourth proportional to 91,253.06, 125,901.67 and 53,005.17 is: 73,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,253.06 : 125,901.67 = 53,005.17 : x
  2. Step 2: Convert to fraction form
    91,253.06/125,901.67 = 53,005.17/x
  3. Step 3: Cross multiply
    91,253.06x = 125,901.67 × 53,005.17
  4. Step 4: Simplify right side
    91,253.06x = 6,673,439,421.63
  5. Step 5: Solve for x
    x = 6,673,439,421.63/91,253.06
  6. Step 6: Final answer
    x = 73,131.13

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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.