Home / 107,762.12-148,700.54-66,362.53

Finding the Fourth Proportional to 107,762.12, 148,700.54 and 66,362.53

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Solution

The fourth proportional to 107,762.12, 148,700.54 and 66,362.53 is: 91,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,762.12 : 148,700.54 = 66,362.53 : x
  2. Step 2: Convert to fraction form
    107,762.12/148,700.54 = 66,362.53/x
  3. Step 3: Cross multiply
    107,762.12x = 148,700.54 × 66,362.53
  4. Step 4: Simplify right side
    107,762.12x = 9,868,144,046.77
  5. Step 5: Solve for x
    x = 9,868,144,046.77/107,762.12
  6. Step 6: Final answer
    x = 91,573.40

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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.