Home / 112,030.99-154,595.55-66,712.30

Finding the Fourth Proportional to 112,030.99, 154,595.55 and 66,712.30

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Solution

The fourth proportional to 112,030.99, 154,595.55 and 66,712.30 is: 92,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,030.99 : 154,595.55 = 66,712.30 : x
  2. Step 2: Convert to fraction form
    112,030.99/154,595.55 = 66,712.30/x
  3. Step 3: Cross multiply
    112,030.99x = 154,595.55 × 66,712.30
  4. Step 4: Simplify right side
    112,030.99x = 10,313,424,573.95
  5. Step 5: Solve for x
    x = 10,313,424,573.95/112,030.99
  6. Step 6: Final answer
    x = 92,058.68

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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.