Home / 112,008.84-154,572.17-61,707.84

Finding the Fourth Proportional to 112,008.84, 154,572.17 and 61,707.84

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Solution

The fourth proportional to 112,008.84, 154,572.17 and 61,707.84 is: 85,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008.84 : 154,572.17 = 61,707.84 : x
  2. Step 2: Convert to fraction form
    112,008.84/154,572.17 = 61,707.84/x
  3. Step 3: Cross multiply
    112,008.84x = 154,572.17 × 61,707.84
  4. Step 4: Simplify right side
    112,008.84x = 9,538,314,426.27
  5. Step 5: Solve for x
    x = 9,538,314,426.27/112,008.84
  6. Step 6: Final answer
    x = 85,156.80

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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.