Home / 107,027.40-147,675.06-64,585.20

Finding the Fourth Proportional to 107,027.40, 147,675.06 and 64,585.20

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Solution

The fourth proportional to 107,027.40, 147,675.06 and 64,585.20 is: 89,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,027.40 : 147,675.06 = 64,585.20 : x
  2. Step 2: Convert to fraction form
    107,027.40/147,675.06 = 64,585.20/x
  3. Step 3: Cross multiply
    107,027.40x = 147,675.06 × 64,585.20
  4. Step 4: Simplify right side
    107,027.40x = 9,537,623,285.11
  5. Step 5: Solve for x
    x = 9,537,623,285.11/107,027.40
  6. Step 6: Final answer
    x = 89,113.85

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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.