Home / 99,225.84-136,893.06-56,195.46

Finding the Fourth Proportional to 99,225.84, 136,893.06 and 56,195.46

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Solution

The fourth proportional to 99,225.84, 136,893.06 and 56,195.46 is: 77,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,225.84 : 136,893.06 = 56,195.46 : x
  2. Step 2: Convert to fraction form
    99,225.84/136,893.06 = 56,195.46/x
  3. Step 3: Cross multiply
    99,225.84x = 136,893.06 × 56,195.46
  4. Step 4: Simplify right side
    99,225.84x = 7,692,768,477.51
  5. Step 5: Solve for x
    x = 7,692,768,477.51/99,225.84
  6. Step 6: Final answer
    x = 77,527.87

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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.