Home / 107,534.52-148,405.95-64,515.63

Finding the Fourth Proportional to 107,534.52, 148,405.95 and 64,515.63

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Solution

The fourth proportional to 107,534.52, 148,405.95 and 64,515.63 is: 89,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,534.52 : 148,405.95 = 64,515.63 : x
  2. Step 2: Convert to fraction form
    107,534.52/148,405.95 = 64,515.63/x
  3. Step 3: Cross multiply
    107,534.52x = 148,405.95 × 64,515.63
  4. Step 4: Simplify right side
    107,534.52x = 9,574,503,360.00
  5. Step 5: Solve for x
    x = 9,574,503,360.00/107,534.52
  6. Step 6: Final answer
    x = 89,036.56

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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.