Home / 91,236.75-125,962.30-62,603.45

Finding the Fourth Proportional to 91,236.75, 125,962.30 and 62,603.45

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Solution

The fourth proportional to 91,236.75, 125,962.30 and 62,603.45 is: 86,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,236.75 : 125,962.30 = 62,603.45 : x
  2. Step 2: Convert to fraction form
    91,236.75/125,962.30 = 62,603.45/x
  3. Step 3: Cross multiply
    91,236.75x = 125,962.30 × 62,603.45
  4. Step 4: Simplify right side
    91,236.75x = 7,885,674,943.10
  5. Step 5: Solve for x
    x = 7,885,674,943.10/91,236.75
  6. Step 6: Final answer
    x = 86,430.91

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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.