Home / 107,840.67-148,820.73-62,545.50

Finding the Fourth Proportional to 107,840.67, 148,820.73 and 62,545.50

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Solution

The fourth proportional to 107,840.67, 148,820.73 and 62,545.50 is: 86,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,840.67 : 148,820.73 = 62,545.50 : x
  2. Step 2: Convert to fraction form
    107,840.67/148,820.73 = 62,545.50/x
  3. Step 3: Cross multiply
    107,840.67x = 148,820.73 × 62,545.50
  4. Step 4: Simplify right side
    107,840.67x = 9,308,066,968.22
  5. Step 5: Solve for x
    x = 9,308,066,968.22/107,840.67
  6. Step 6: Final answer
    x = 86,313.14

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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.