Home / 99,153.12-148,695.12-39,973.44

Finding the Fourth Proportional to 99,153.12, 148,695.12 and 39,973.44

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Solution

The fourth proportional to 99,153.12, 148,695.12 and 39,973.44 is: 59,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,153.12 : 148,695.12 = 39,973.44 : x
  2. Step 2: Convert to fraction form
    99,153.12/148,695.12 = 39,973.44/x
  3. Step 3: Cross multiply
    99,153.12x = 148,695.12 × 39,973.44
  4. Step 4: Simplify right side
    99,153.12x = 5,943,855,457.61
  5. Step 5: Solve for x
    x = 5,943,855,457.61/99,153.12
  6. Step 6: Final answer
    x = 59,946.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.