Home / 92,435.84-138,653.76-30,106.34

Finding the Fourth Proportional to 92,435.84, 138,653.76 and 30,106.34

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Solution

The fourth proportional to 92,435.84, 138,653.76 and 30,106.34 is: 45,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,435.84 : 138,653.76 = 30,106.34 : x
  2. Step 2: Convert to fraction form
    92,435.84/138,653.76 = 30,106.34/x
  3. Step 3: Cross multiply
    92,435.84x = 138,653.76 × 30,106.34
  4. Step 4: Simplify right side
    92,435.84x = 4,174,356,397.04
  5. Step 5: Solve for x
    x = 4,174,356,397.04/92,435.84
  6. Step 6: Final answer
    x = 45,159.50

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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.