Home / 112,271.40-168,407.10-59,653.80

Finding the Fourth Proportional to 112,271.40, 168,407.10 and 59,653.80

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Solution

The fourth proportional to 112,271.40, 168,407.10 and 59,653.80 is: 89,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,271.40 : 168,407.10 = 59,653.80 : x
  2. Step 2: Convert to fraction form
    112,271.40/168,407.10 = 59,653.80/x
  3. Step 3: Cross multiply
    112,271.40x = 168,407.10 × 59,653.80
  4. Step 4: Simplify right side
    112,271.40x = 10,046,123,461.98
  5. Step 5: Solve for x
    x = 10,046,123,461.98/112,271.40
  6. Step 6: Final answer
    x = 89,480.70

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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.